bonus tip
keep uber and zomato open in two devices or a device with split screen
and add Amazon pay wallet as payments method and add 2k each from both at same time
and enter otp of both at same time
this way 4k will be loaded free of cost
u can try this trik with multiple devicws and multiple zomato
as Zomato allows login into multiple account
i was able to load 8k in july month