You have to use Rupay Card or UPI or USSD (Mobile based) or AEPS (Adhaar enabled) for participating in the lottery..You can check if you have won from this site here
[h=1]Digital payments lottery: 15,000 lucky winners to get rewards[/h]
http://news.rediff.com/commentary/2...-get-rewards/48f9255c1e125de69d7dd443e686dc87
[h=1]Digital payments lottery: 15,000 lucky winners to get rewards[/h]
http://news.rediff.com/commentary/2...-get-rewards/48f9255c1e125de69d7dd443e686dc87