Buy Amzn shopping voucher via gyftr using sbi cb card : Anywhere from 2 - 4% discount + 5% usual cashback with the sbi cb card.
Load the voucher to your amazon account. Then buy bigbasket e-gift card using voucher balance for another discount ( currently 2 % )
Add that gift card to BB. Then, order stuff from BB via tata neu app to get further 5% as neu coins.
Triple-Dip !