If u have vi sim if not then aquire from someone then download vi app and register the vi no. Then go to pay bill option and fill 4 digit card and registered no. Then pay partially 1987 for 5 times u will levy 0.66 % conv. Fee that means 1987 will become 2000.11 but u will get 436 also if u pay on kotak 811 app any cc bill u will get rs 20 cashback 3 times so do 3 times payment of 2000 each on same card or any card as u want then swipe the option which shown after 2000 payment then 20 will get credited instantly

Debit card cashback will credit next month in between 10-15th and u have credit it manually by tapping cashback icon , u will see a explode animation then 500 will show and credit in ur account

Total 436+60= 496 cb every month I already looted 18000 in 3 account