HDFC Bank customers are not bound in any way to participate in this offer. Any such participation is voluntary. HDFC Bank & HDFC group company’s employees shall not be eligible to participate in the offer. All valid transactions will be eligible for the offer. HDFC Bank will not be responsible for invalid transactions. How To Register Rupay Card For Online Transaction, Mobile Recharge ? – Rupay card are issued by almost all the banks in India and available for registration for online transaction i.e. BOB (Bank of Baroda), HDFC, SBI, SBH, Syndicate bank, Bank of India (BOI), Punjab National Bank(PNB), ICICI bank, Axis Bank, Canara Bank etc. Rupay Card is the Indian reply to VISA and Mastercard. To register for NetBanking: Online. Visit the NetBanking registration page. Enter your customer ID and confirm your mobile number to generate an OTP. Enter the OTP. Select your debit card and enter details. Set your IPIN. Login to NetBanking using your customer ID and new IPIN