Paytm Terms and Conditions:

• Users get 5% cashback up to ₹1000 on flight ticket booking.
• No minimum order value for flight ticket booking.
• Offer is valid for all users.
• Voucher is valid for one-time usage per user.
• Voucher is valid for 6 months.
• Cashback will be credited within 24 hours of the successful transaction.
• Cashback will be calculated on the booking amount exclusive of convenience fee, insurance, free cancellation or any ancillaries purchased
• To avail cashback, the user needs to have a verified mobile number on Paytm.
• Cancelled orders will not be eligible for cashback.
• Paytm reserves its absolute right to withdraw and/or alter any terms and conditions of the offer at any time without prior notice.
• If you have not completed your KYC or have breached your monthly wallet limit, you will receive Goldback (inclusive of 3% GST)

For more details : https://paytm.com/flights