http://www.groupon.co.in/deals/mumbai/paytm-com-5/686817 Highlights Exclusive offer Valid on website Valid on all bus tickets on the site Inclusive of all taxes and service charges Fine Print Validity Valid until: 31.01.2015 Valid for Existing & New Users Valid on Paytm Website A customer can buy and use 2 vouchers No refunds for the particular offer How to Redeem On availing the deal, you will receive your unique code on the groupon voucher via email Log on to the website, select your bus tickets Click on the tab which says "Have a Promo Code?" - It will show up just below the total fare details on the right of your screen Apply the Groupon code there and the cashback will be credited to your paytm account within 2 hours of payment confirmation For queries related to recharge not done, promo code not working or failed transaction, send an email to care@paytm.com General Fine Print The minimum amount to get Cashback is Rs 500 or more Cash-back will be credited to the Paytm account within 2 hours