All India Institute Of Medical Science [AIIMS] — multiple transaction for final registration

Respected sir/madam,
I apoorva singh a medical aspirant filled a basic registration form then i received form acceptance confirmation and there after ruc code.. Till here all steps were going smoothly, on 22nd february 2019 i started filling my final step registration form after completing qualification section as i moved to payment section with all the details carefully filled and submitted after i done with my payment money got debited from my account and i got message of purchase of rupees 1500 from aiims but in my form after payment the page got corrupted and my payment was not showing on the screen.in between going payment procedure i didnt backed up the page or cancelled anything it was the site error.in student login my payment section was still showing incomplete but i received message of cash debited from my account by aiims. Second time, i tried again, payment cancelled again and the money got deducted.. I again tried filling this payment section in third attempt i was able to complete my form but for one form i totally paid three times i. E rs 4500 (Four thousand five hundred). I have all the messages secured with me if needed i will attach it too.
Kindly return back my extra 3000 deducted money from my account reg no. U[protected] ruc code -8250565. Hope to get your reply soon.