Take a rupay platinum debit card By opening Au bank savings account.With 177+gst=210
then if you are between 18-24 years age if not use someone else's id, take amazon prime at 750rs per year (50%off)
and benefit of 100 using AU bank card every month so technically profit of 1200 a year - 210 of card - 750 of amazon prime = 240 PROFIT
You will eventually make money on this only,
I am 20 now , using this method for 2years.