Delhi University — refund of my payment

Address: New Delhi, Delhi, 110001

Website: Www.du.ac.in

I nikhil kumar a student of b. A. Political science honours in sri aurobindo college applied in shivaji college in 3rd cutoff with a payment of rs 16, 650/- against form number[protected] but then i cancelled my application from shivaji college with a cancellation transaction id [protected] dated on 11.07.2018 and after this i got admission in sri aurobindo college and i paid rs. 6880/- with a reference id 743752/sac/26/5 on 12.07.2018 separately on du's online portal but the payment that i paid in shivaji college was never refunded to my listed bank account.
So, kindly refund my payment that i submitted to shivaji college in my given bank account in my form number[protected].
Thank you