Electricity bill not received shown zero in paytm.I paid .payment completed.Does it reflect in next month bill.means remaining amount I have to pay in paytm.or I have to pay full money again.tell me if you known

my electricity bill is zero means not received the bill yet .but in Paytm i applied BILL100 for cashback.but the bill is zero.i paid.after coming bill,the 100 ₹ money will be deducted or not during paying bill.help me to get out from this situation.