Paytm is a mobile wallet powered by one97comunication this is a store in a mobile which offer you many type of function like mobile recharge, dth rech., bus ticket trainticket etc., you can also shop from here and also book movie and sports programe tickets.by paytm u can transfer money to bank account and pay in shops.paytm have one demarite that on booking ticket booking it will take some charge.but it never hurts because it save my time.so try it