diff --git a/alembic/versions/38bc5fa8b6d6_added_payment_model.py b/alembic/versions/38bc5fa8b6d6_added_payment_model.py
new file mode 100644
index 0000000..fed865c
--- /dev/null
+++ b/alembic/versions/38bc5fa8b6d6_added_payment_model.py
@@ -0,0 +1,53 @@
+"""Added payment model
+
+Revision ID: 38bc5fa8b6d6
+Revises: 155bdd6d893d
+Create Date: 2013-12-23 19:35:00.124877
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '38bc5fa8b6d6'
+down_revision = '155bdd6d893d'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('payment_gateway_log',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('created_at', sa.DateTime(), nullable=False),
+    sa.Column('updated_at', sa.DateTime(), nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('event_id', sa.Integer(), nullable=False),
+    sa.Column('status', sa.Integer(), nullable=False),
+    sa.Column('order_no', sa.Unicode(20), nullable=False),
+    sa.Column('server_response', sa.UnicodeText(), nullable=True),
+    sa.Column('start_datetime', sa.DateTime(), nullable=False),
+    sa.Column('end_datetime', sa.DateTime(), nullable=True),
+    sa.ForeignKeyConstraint(['event_id'], ['event.id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+
+    op.add_column(u'event', sa.Column('currency', sa.Unicode(length=3), nullable=True))
+    op.add_column(u'event', sa.Column('payment_credentials', sa.Unicode(length=100), nullable=True))
+    op.add_column(u'event', sa.Column('payment_service', sa.Unicode(length=100), nullable=True))
+
+    op.add_column(u'participant', sa.Column('purchased_ticket', sa.Boolean(), nullable=False, server_default=sa.text(u"'f'")))
+    op.alter_column(u'participant', 'purchased_ticket', server_default=None)
+    conn = op.get_bind()
+    conn.execute("update participant set purchased_ticket='t' where status=2")
+    ### end Alembic commands ###
+
+
+def downgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column(u'event', 'payment_service')
+    op.drop_column(u'event', 'payment_credentials')
+    op.drop_column(u'event', 'currency')
+    op.drop_column(u'participant', 'purchased_ticket')
+    op.drop_table('payment_gateway_log')
+    ### end Alembic commands ###
diff --git a/hacknight/forms/event.py b/hacknight/forms/event.py
index 07cc7f8..0dfb1c4 100644
--- a/hacknight/forms/event.py
+++ b/hacknight/forms/event.py
@@ -7,7 +7,7 @@
 from wtforms.ext.sqlalchemy.fields import QuerySelectField
 from baseframe.forms import Form, RichTextField, DateTimeField, ValidName
 from baseframe.forms.sqlalchemy import AvailableName
-from hacknight.models import Venue, EVENT_STATUS, SYNC_SERVICE
+from hacknight.models import Venue, EVENT_STATUS, SYNC_SERVICE, PAYMENT_GATEWAY
 
 __all__ = ['EventForm', 'ConfirmWithdrawForm', 'SendEmailForm']
 
@@ -27,10 +27,25 @@
 
 SYNC_CHOICES = [
     # Empty value for opting out.
-    (u"", u""),
+    (u"N/A", u""),
     (SYNC_SERVICE.DOATTEND, u"DoAttend"),
 ]
 
+PAYMENT_GATEWAY_CHOICES = [
+    # Empty value for opting out.
+    (u"N/A", u""),
+    (PAYMENT_GATEWAY.EXPLARA, u"Explara"),
+]
+
+CURRENCY_CHOICES = [
+    (u"INR", u"INR - India Rupee"),
+    (u"USD", u"USD - United States Dollar"),
+    (u"GBP", u"GBP - Great Britain Pound"),
+    (u"EUR", u"EUR - Euro"),
+    (u"PHP", u"PHP - Philippines Peso"),
+    (u"ZAR", u"ZAR - South Africa Rand"),
+]
+
 
 class EventForm(Form):
     title = wtforms.TextField("Title", description="Name of the Event", validators=[wtforms.validators.Required(), wtforms.validators.NoneOf(values=["new"]), wtforms.validators.length(max=250)])
@@ -61,10 +76,13 @@ class EventForm(Form):
     maximum_participants = wtforms.IntegerField("Venue capacity", description="The number of people this venue can accommodate.", default=50, validators=[wtforms.validators.Required()])
     website = wtforms.fields.html5.URLField("Website", description="Related Website (Optional)", validators=[wtforms.validators.Optional(), wtforms.validators.length(max=250), wtforms.validators.URL()])
     status = wtforms.SelectField("Event status", description="Current status of this hacknight", coerce=int, choices=STATUS_CHOICES)
-    sync_service = wtforms.SelectField("Sync service name", description="Name of the ticket sync service like doattend", choices= SYNC_CHOICES, validators=[wtforms.validators.Optional(), wtforms.validators.length(max=100)])
+    sync_service = wtforms.SelectField("Sync service name", description="Name of the ticket sync service like doattend", choices=SYNC_CHOICES, validators=[wtforms.validators.Optional(), wtforms.validators.length(max=100)])
     sync_eventsid = wtforms.TextField("Sync event ID", description="Sync events id like DoAttend event ID. More than one event ID is allowed separated by ,.", validators=[wtforms.validators.Optional(), wtforms.validators.length(max=100)])
     sync_credentials = wtforms.TextField("Sync credentials", description="Sync credentials like API Key for the event", validators=[wtforms.validators.Optional(), wtforms.validators.length(max=100)])
-    
+    payment_service = wtforms.SelectField("Payment service", description="Name of the payment gateway service", choices=PAYMENT_GATEWAY_CHOICES, validators=[wtforms.validators.Optional(), wtforms.validators.length(max=100)])
+    payment_credentials = wtforms.TextField("Payment gateway credentials", description="Payment gateway credentials like API Key", validators=[wtforms.validators.Optional(), wtforms.validators.length(max=100)])
+    currency = wtforms.SelectField("Currency", description="Currency in which participant should pay", choices=CURRENCY_CHOICES, validators=[wtforms.validators.Optional(), wtforms.validators.length(max=100)])
+
     def validate_end_datetime(self, field):
         if field.data < self.start_datetime.data:
             raise wtforms.ValidationError(u"Your event can’t end before it starts.")
@@ -85,6 +103,21 @@ def validate_sync_eventsid(self, field):
             if events_id:
                 field.data = ",".join(events_id)
 
+    def validate_payment_credentials(self, field):
+        if self.payment_service.data == PAYMENT_GATEWAY.EXPLARA:
+            if len(field.data) < 10:
+                raise wtforms.ValidationError(u"Payment credentials must be more than 10 characters")
+
+    def validate_ticket_price(self, field):
+        if self.payment_service.data == PAYMENT_GATEWAY.EXPLARA:
+            try:
+                data = field.data.strip()
+                if data[0] == '-':
+                    raise wtforms.ValidationError(u"Event price must be positive number")
+                float(data)
+            except ValueError:
+                raise wtforms.ValidationError(u"Event price must be positive number. E.G: 500.00")
+
 
 class EmailEventParticipantsForm(Form):
     pending_message = RichTextField("Pending Message", description="Message to be sent for pending participants. '*|FULLNAME|*' will be replaced with user's fullname.", validators=[wtforms.validators.Optional()], tinymce_options = {'convert_urls': False, 'remove_script_host': False})
diff --git a/hacknight/forms/participant.py b/hacknight/forms/participant.py
index a6eef53..ce23166 100644
--- a/hacknight/forms/participant.py
+++ b/hacknight/forms/participant.py
@@ -3,8 +3,10 @@
 import wtforms
 import wtforms.fields.html5
 from baseframe.forms import Form, RichTextField
+from baseframe.staticdata import country_codes
 
-__all__ = ['ParticipantForm']
+
+__all__ = ['ParticipantForm', 'ExplaraForm']
 
 
 class ParticipantForm(Form):
@@ -31,3 +33,21 @@ class ParticipantForm(Form):
         validators=[wtforms.validators.Optional(), wtforms.validators.length(max=1200)])
     skill_level = wtforms.RadioField("Skill Level", description="What is your skill level?",
         choices=skill_levels)
+
+
+class ExplaraForm(Form):
+    name = wtforms.TextField("Name", description="Name of the purchaser",
+        validators=[wtforms.validators.Required(), wtforms.validators.length(max=200)])
+    email = wtforms.fields.html5.EmailField("Email", description="Email address",
+         validators=[wtforms.validators.Required(), wtforms.validators.length(max=200)])
+    phone_no = wtforms.TextField("Telephone No", description="Telephone No",
+        validators=[wtforms.validators.Required(), wtforms.validators.length(max=15)])
+    country = wtforms.SelectField("Country", description="Country", choices=country_codes, validators=[wtforms.validators.Required()])
+    """ Longest state name
+    Taumatawhakatangihangakoauauotamateahaumaitawhitiurehaeaturipuk-
+    akapikimaungahoronukupokaiwhenuakitanatahu in NewZeland.
+    """
+    state = wtforms.TextField("State", description="State", validators=[wtforms.validators.Required(), wtforms.validators.length(max=110)])
+    city = wtforms.TextField("City", description="City", validators=[wtforms.validators.Required(), wtforms.validators.length(max=110)])
+    address = wtforms.TextField("Address", description="Address", validators=[wtforms.validators.Required(), wtforms.validators.length(max=1000)])
+    zip_code = wtforms.TextField("Zip code", description="Zip code", validators=[wtforms.validators.Required(), wtforms.validators.length(max=6)])
diff --git a/hacknight/models/__init__.py b/hacknight/models/__init__.py
index daebcb6..8527aab 100644
--- a/hacknight/models/__init__.py
+++ b/hacknight/models/__init__.py
@@ -12,3 +12,4 @@
 from hacknight.models.project import *
 from hacknight.models.participant import *
 from hacknight.models.sponsor import *
+from hacknight.models.log import *
diff --git a/hacknight/models/event.py b/hacknight/models/event.py
index 37093ff..2b2895f 100644
--- a/hacknight/models/event.py
+++ b/hacknight/models/event.py
@@ -11,7 +11,7 @@
 from hacknight.models import db, BaseNameMixin, BaseScopedNameMixin, BaseMixin
 
 
-__all__ = ['Profile', 'Event', 'EVENT_STATUS', 'SYNC_SERVICE', 'PROFILE_TYPE', 'EventRedirect']
+__all__ = ['Profile', 'Event', 'EVENT_STATUS', 'SYNC_SERVICE', 'PROFILE_TYPE', 'EventRedirect', 'PAYMENT_GATEWAY']
 #need to add EventTurnOut, EventPayment later
 
 
@@ -45,6 +45,10 @@ class SYNC_SERVICE:
     DOATTEND = u"doattend"
 
 
+class PAYMENT_GATEWAY:
+    EXPLARA = u"Explara"
+
+
 class SyncException(Exception):
     pass
 
@@ -95,6 +99,11 @@ class Event(BaseScopedNameMixin, db.Model):
     sync_credentials = db.Column(db.Unicode(100), nullable=True)
     sync_eventsid = db.Column(db.Unicode(100), nullable=True)
 
+    # Payment gateway details
+    payment_service = db.Column(db.Unicode(100), nullable=True)
+    payment_credentials = db.Column(db.Unicode(100), nullable=True)
+    currency = db.Column(db.Unicode(3), nullable=True)
+
     __table_args__ = (db.UniqueConstraint('name', 'profile_id'),)
 
     # List of statuses which are not allowed to be displayed in index page.
@@ -112,6 +121,9 @@ def owner_is(self, user):
         """Check if a user is an owner of this event"""
         return user is not None and self.profile.userid in user.user_organizations_owned_ids()
 
+    def has_payment_gateway(self):
+        return self.payment_service and self.payment_credentials and self.currency
+
     def has_sync(self):
         return self.sync_service and self.sync_credentials and self.sync_eventsid
 
@@ -150,6 +162,13 @@ def sync_participants(self, participants):
             yield u"Sync credentials missing.\n"
             yield Markup(final_msg)
 
+    def is_tickets_available(self):
+        if self.has_payment_gateway():
+            if self.confirmed_participants_count() < self.maximum_participants:
+                return True
+            return False
+        return False
+
     def participant_is(self, user):
         from hacknight.models.participant import Participant
         return Participant.get(user, self) is not None
@@ -161,7 +180,7 @@ def confirmed_participant_is(self, user):
 
     def confirmed_participants_count(self):
         from hacknight.models.participant import Participant, PARTICIPANT_STATUS
-        return Participant.query.filter_by(status=PARTICIPANT_STATUS.CONFIRMED, event=self).count()
+        return Participant.query.filter_by(status=PARTICIPANT_STATUS.CONFIRMED, event=self, purchased_ticket=True).count()
 
     def permissions(self, user, inherited=None):
         perms = super(Event, self).permissions(user, inherited)
@@ -173,6 +192,8 @@ def permissions(self, user, inherited=None):
             perms.add('edit')
             perms.add('delete')
             perms.add('send-email')
+        if self.has_payment_gateway():
+            perms.add('buy-ticket')
         return perms
 
     def url_for(self, action='view', _external=False):
@@ -200,6 +221,10 @@ def url_for(self, action='view', _external=False):
             return url_for('email_template_form', profile=self.profile.name, event=self.name, _external=_external)
         elif action == 'sync':
             return url_for('event_sync', profile=self.profile.name, event=self.name, _external=_external)
+        elif action == 'purchase_ticket':
+            return url_for('purchase_ticket_explara', profile=self.profile.name, event=self.name, _external=_external)
+        elif action == 'payment_redirect':
+            return url_for('payment_redirect_explara', profile=self.profile.name, event=self.name, _external=_external)
 
 
 class EventRedirect(BaseMixin, db.Model):
diff --git a/hacknight/models/log.py b/hacknight/models/log.py
new file mode 100644
index 0000000..a3da38f
--- /dev/null
+++ b/hacknight/models/log.py
@@ -0,0 +1,41 @@
+# -*- coding: utf-8 -*-
+
+import datetime
+
+from hacknight.models import db, BaseMixin, User, Event
+
+__all__ = ['PaymentGatewayLog', 'TRANSACTION_STATUS', 'transaction_status']
+
+
+class TRANSACTION_STATUS:
+    PENDING = 0
+    FAILURE = 1
+    SUCCESS = 2
+
+
+transaction_status = {
+    u'success': TRANSACTION_STATUS.SUCCESS,
+    u'pending': TRANSACTION_STATUS.PENDING,
+    u'failure': TRANSACTION_STATUS.FAILURE,
+}
+
+
+class PaymentGatewayLog(BaseMixin, db.Model):
+    __tablename__ = "payment_gateway_log"
+
+    user_id = db.Column(None, db.ForeignKey('user.id'), nullable=False)
+    user = db.relationship(User)
+
+    event_id = db.Column(None, db.ForeignKey('event.id'), nullable=False)
+    event = db.relationship(Event, backref=db.backref('payment_gateway_logs'))
+
+    status = db.Column(db.Integer, default=TRANSACTION_STATUS.PENDING, nullable=False)
+    order_no = db.Column(db.Unicode(20), nullable=False)
+
+    server_response = db.Column(db.UnicodeText(), nullable=True)
+    start_datetime = db.Column(db.DateTime, nullable=False, default=datetime.datetime.now)
+    end_datetime = db.Column(db.DateTime, nullable=True)
+
+    @classmethod
+    def get_recent_transaction(cls, user):
+        return cls.query.filter_by(user=user).order_by(PaymentGatewayLog.id.desc()).first()
diff --git a/hacknight/models/participant.py b/hacknight/models/participant.py
index e01bb33..d7ee95d 100644
--- a/hacknight/models/participant.py
+++ b/hacknight/models/participant.py
@@ -24,6 +24,7 @@ class Participant(BaseMixin, db.Model):
     event_id = db.Column(db.Integer, db.ForeignKey('event.id'), nullable=False)
     event = db.relationship(Event, backref=db.backref('participants', cascade='all, delete-orphan'))
     status = db.Column(db.Integer, default=PARTICIPANT_STATUS.PENDING, nullable=False)
+    purchased_ticket = db.Column(db.Boolean, default=False, nullable=False)
     mentor = db.Column(db.Boolean, default=False, nullable=False)
     reason_to_join = db.Column(db.UnicodeText, default=u'', nullable=False)
     email = db.Column(db.Unicode(80), default=u'', nullable=False)
@@ -46,6 +47,7 @@ def save_defaults(self):
 
     def confirm(self):
         self.status = PARTICIPANT_STATUS.CONFIRMED
+        self.purchased_ticket = True
 
     @classmethod
     def get(cls, user, event):
diff --git a/hacknight/templates/event.html b/hacknight/templates/event.html
index 81d9b4d..eedee21 100644
--- a/hacknight/templates/event.html
+++ b/hacknight/templates/event.html
@@ -8,7 +8,7 @@
         <a href="{{ p.user.profile_url }}"><div class="participant-img"><i class="icon-user icon-4x"></i></div></a>
         <div class="participant-name">
           <b><a href="{{ p.user.profile_url }}">{{ p.user.fullname }}</a></b>
-        
+
           <div class="participating-projects">
             {% with projects = p.user.projects_in(event) %}
               {%- if projects %}
@@ -87,11 +87,21 @@ <h1>{{ self.title() }}</h1>
             {%- elif current_participant.status == 4 -%}
               <li><i class="icon-user"></i><span>Withdrawn</span></li>
             {%- endif -%}
+
+            {% if workflow.can_apply() -%}
+              {% if event.is_tickets_available() -%}
+                {% if not current_participant.purchased_ticket -%}
+                  <li><a href="{{ event.url_for('purchase_ticket') }}"><i class="icon-money"></i><span>Purchase Ticket</span></a></li>
+                {% else %}
+                  <li><a href="{{ event.url_for('withdraw') }}"><i class="icon-signout"></i><span>Withdraw registration</span></a></li>
+                {%- endif %}
+              {% else %}
+                <li><a href="{{ event.url_for('withdraw') }}"><i class="icon-signout"></i><span>Withdraw registration</span></a></li>
+              {%- endif %}
+            {%- endif %}
           {%- endif %}
-          {% if workflow.can_apply() -%}
-            <li><a href="{{ event.url_for('withdraw') }}"><i class="icon-signout"></i><span>Withdraw registration</span></a></li>
-          {%- endif %}
-        {% endif %}
+        {%- endif %}
+
 
       {%- if event.owner_is(g.user) %}
           <li class="nav-header">Manage event</li>
@@ -110,7 +120,7 @@ <h1>{{ self.title() }}</h1>
           {% endif -%}
       {% endif -%}
     </ul>
-      
+
       <div class="share">
         <ul>
           <li>
@@ -133,8 +143,8 @@ <h1>{{ self.title() }}</h1>
       {% if event.sponsors %}
         <hr class="clear-line">
         <div class="sidebar-heading nav nav-list">
-          <h4 class="nav-header">Sponsors</h4>  
-        </div>        
+          <h4 class="nav-header">Sponsors</h4>
+        </div>
         <ul class="sponsor-box">
           {% for sponsor in event.sponsors %}
             <li><a href="{{ sponsor.url_for() }}"><img src="{{ sponsor.image_url }}" class="sponsor-logo"></a></li>
@@ -244,7 +254,7 @@ <h2>New project...</h2>
     $(".sync").on('click', function(e){
       e.preventDefault();
       $("#sync_form").submit();
-    }); 
+    });
   });
   </script>
 
diff --git a/hacknight/views/event.py b/hacknight/views/event.py
index 1fd99e6..7f7352b 100644
--- a/hacknight/views/event.py
+++ b/hacknight/views/event.py
@@ -1,16 +1,19 @@
 # -*- coding: utf-8 -*-
 
+import requests
+import time
 from sqlalchemy.orm import joinedload
 from sqlalchemy import func
 from html2text import html2text
 from flask.ext.mail import Message
 from flask import render_template, abort, flash, url_for, g, request, Markup, current_app, Response, stream_with_context
 from coaster.views import load_model, load_models
+from baseframe.staticdata import country_codes
 from baseframe.forms import render_redirect, render_form, render_delete_sqla
 from hacknight import app, mail
-from hacknight.models import db, Profile, Event, User, Participant, PARTICIPANT_STATUS, EventRedirect
+from hacknight.models import db, Profile, Event, User, Participant, PARTICIPANT_STATUS, EventRedirect, PaymentGatewayLog, TRANSACTION_STATUS, transaction_status
 from hacknight.forms.event import EventForm, ConfirmWithdrawForm, SendEmailForm, EmailEventParticipantsForm
-from hacknight.forms.participant import ParticipantForm
+from hacknight.forms.participant import ParticipantForm, ExplaraForm
 from hacknight.views.login import lastuser
 from hacknight.views.workflow import ParticipantWorkflow
 
@@ -192,6 +195,10 @@ def event_update_participant_status(profile, event):
         if participant.status != status:
             if event.confirmed_participants_count() < event.maximum_participants:
                 participant.status = status
+                if status == PARTICIPANT_STATUS.CONFIRMED:
+                    participant.purchased_ticket = True
+                else:
+                    participant.purchased_ticket = False
                 try:
                     text_message = unicode(getattr(event, (participants_email_attrs[status] + '_text')))
                     text_message = text_message.replace("*|FULLNAME|*", participant.user.fullname)
@@ -234,6 +241,8 @@ def event_apply(profile, event):
             participant.status = PARTICIPANT_STATUS.PENDING if event.maximum_participants > total_participants else PARTICIPANT_STATUS.WL
             db.session.add(participant)
             db.session.commit()
+            if event.has_payment_gateway():
+                return render_redirect(event.url_for('purchase_ticket'), code=303)
             flash(u"Your request to participate has been recorded; you will be notified by the event manager", "success")
         else:
             return render_form(form=form, message=Markup(event.apply_instructions) if event.apply_instructions else "",
@@ -399,3 +408,87 @@ def email_template_form(profile, event):
         return render_redirect(event.url_for(), code=303)
     return render_form(form=form, title="Email Participants form", submit=u"Save",
         cancel_url=event.url_for(), ajax=False)
+
+
+@app.route('/<profile>/<event>/purchase_ticket/explara', methods=['GET', 'POST'])
+@lastuser.requires_login
+@load_models(
+  (Profile, {'name': 'profile'}, 'profile'),
+  (Event, {'name': 'event', 'profile': 'profile'}, 'event'), permission='buy-ticket')
+def purchase_ticket_explara(profile, event):
+    user = g.user
+    participant = Participant.query.filter_by(event=event, user=user).first()
+    if not participant.purchased_ticket:
+        form = ExplaraForm(obj=participant)
+        if form.validate_on_submit():
+            country = u'India'
+            for name in country_codes:
+                if name[0] == form.country.data:
+                    country = name[1]
+                    break
+            data = {
+                'amount': float(event.ticket_price),
+                'orderNo': int(time.time() * 1000000),
+                'bookingKey': event.payment_credentials,
+                'callbackUrl': event.url_for('payment_redirect', _external=True),
+                'name': form.name.data,
+                'emailId': form.email.data,
+                'phoneNo': form.phone_no.data,
+                'country': country,
+                'state': form.state.data,
+                'city': form.city.data,
+                'address': form.address.data,
+                'zipcode': form.zip_code.data,
+                'currency': event.currency,
+                'pg': 'pg2', # find a way to choose between 'pg1' or 'pg2'.
+            }
+            log = PaymentGatewayLog(order_no=data.get('orderNo'), user=user, event=event, status=transaction_status.get('pending'))
+            db.session.add(log)
+            db.session.commit()
+            try:
+                r = requests.post("https://em.explara.com/booking", data=data)
+                return r.content
+            except requests.ConnectionError:
+                flash(u"Oops, something went wrong, please try after sometime", 'error')
+                return render_redirect(event.url_for())
+        return render_form(form=form, title="Buy ticket", submit=u"Buy",
+            cancel_url=event.url_for(), ajax=False)
+    else:
+        flash(u"You have already purchased ticket", u'success')
+        return render_redirect(event.url_for())
+
+
+@app.route('/<profile>/<event>/payment/redirect/explara', methods=['POST'])
+@load_models(
+  (Profile, {'name': 'profile'}, 'profile'),
+  (Event, {'name': 'event', 'profile': 'profile'}, 'event'))
+def payment_redirect_explara(profile, event):
+    if request.method == "POST":
+        user = g.user
+        form = request.form
+        if form:
+            participant = Participant.query.filter_by(event=event, user=user).first()
+            log = PaymentGatewayLog.get_recent_transaction(user=user)
+
+            # Decode base64 response
+            import base64
+            resp = base64.b64decode(form.get('response'))
+
+            try:
+                status = transaction_status[form.get('status')]
+            except ValueError:
+                status = transaction_status.get('failure')
+
+            if status == TRANSACTION_STATUS.SUCCESS:
+                participant.confirm()
+
+            log.status = status
+            log.server_response = resp
+
+            db.session.commit()
+
+            flash(u"Ticket purchase is successful", 'success')
+            return render_redirect(event.url_for())
+        else:
+            flash(u"Surprisingly new problem occured. Try after sometime", 'error')
+            return render_redirect(event.url_for())