Paytm – Install Paytm Mall App and Get Rs 20 Cashback on Rs 50 Recharge. Paytm is promoting its “Paytm Mall” App and coming with awesome Offer where you will get the Flat Rs 20 Cashback on Mobile Recharge of Rs 50 or more. Users need to download and sign into the Paytm Mall App in order to avail this Offer. Valid for 1 Time per user only. So Hurry up and avail this Offer !!