Paytm FASTag:

• Minimum Documentation: Registration number & certificate are required for Paytm wallet users
• No separate recharge needed: Toll gets deducted from wallet; Balance can be used for recharge, bill payments, etc.
• Monthly cashback offers: Receive Paytm cashback every month on payments

Other Bank FASTag:

• Multiple Documents: ID proof, photograph, personal details, etc. are required
• Separate FASTag Account: Balance only be used for toll payments
• Periodic Offers: As & when applicable