Offer DetailsTata Power Bill Payment Offers - Paytm is offering 100% cashback offer on electricity bill payments. Every hour, one lucky customer will get 100% Cashback. Maximum Cashback available is Rs. 1000. Promocode is applicable only on Electricity Bill Payment.Promocode can be used 3 times per user. Pay Tata electricity bill online with discount in Mumbai & Delhi. [Update - offer is now expired]