Delhi University — Fees for PhD transcript is not reflecting

Address:

H.no 325, Sec 9a, behind 9a market

I made the paymnt of 1000 rs on 24th feb with the transaction no.[protected]. From Paytm. I hv also shared the receipt with online application form. But today I Receivd a mail stating that du has not received any receipt, and also it is not showing in track payments. Now I don't know whom to contact about this. Kindly help me in resolving the issue.