Both seasoned investors and those just starting out in the stock market will find this program to be attractive. 5. . Swiggy: Friends who sign up and place their first order through Swiggy's referralrummy ko program can receive discounts on their orders. Swiggy is a well-known food delivery app in India. Foodies who want to save money on their favorite meals by encouraging others to use Swiggy will love this program. 1. Utilize Your Network: It's critical to make the most of your network, which includes friends, family, coworkers, and social media connections, in order to optimize referral rewards.