Offering users the chance to earn cashback on their online shopping, CashKaro is the largest cashback and coupon site in India. With the help of the comprehensive refer and earn program on the CashKaro apps and gamesapp, users can earn 10% of their friends' cashback earnings for the rest of their lives. This implies that you will also get 10% of any new member that signs up using your referral code & receives cashback. CashKaro provides a vast array of earning opportunities for its users, with over 1500 online retailers on board. With its refer and earn program, the Google Pay app is yet another excellent choice.