Paytm Bus Booking Offer : Get 5% Cashback up to Rs.150 on Bus Ticket Bookings. TnC: User gets 5% Cashback upto Rs.150 on bus ticket bookings. No Minimum transaction value. Cashback will be credited within 24 hours of the transaction. Promo code is valid once in a day and six times in a month per user. Cancelled orders will not be eligible. The user needs to have verified mobile number on Paytm.