arre bhai, jab iss trick ke liye hdfc cc use karo, toh final payu waale otp page ka URL same aata hai (saare amazon links ka)
toh alag alag OTP nahi use kar paate same browser... ek baad 2/3 az pages open karo aur for hdfc visa cc ke details inputs karke otp page pe jaao aapki trick se, mai kya keh raha hu samajh jaaoge