e-File your Income Tax Return and get Rs 50 Paytm
https://www.aaykar.com/special_offer.aspx
For assisted e-filing plans, you get Rs 200 free
For self filing plan, you get Rs 50 free. You dont need to pay anything and you get Rs 50 paytm cash

or referring your friends you get another Rs 50 for self filing and Rs 100 for assisted filing. PM me your email address in case you want to be referred.