shree — Exam

Candidate name - vinutha cr
Candidate id -[protected]
Emailid. Yr. [protected]@gmail.com
Sir/mam, i have registered for aiims 2017 and successfully completed step 1. Step 2
When i try to pay it says "a payment has already been made for the same reference number. Your request cannot be processed.". I got stuck here and not able to complete further steps.
Help me out from this. Last date is today again