School Of Open Learning — Refund for double payment of migration and provisional certificate

I want to state that my name is NITIKA RANI and I enrolled in BCOM session 2006-10 in SOL, DU. SOL ROLL NO.[protected]
Bar code- 673785
Now I took admission in LLB in CCSU. So, I needed to my migration certificate for this.. but I applied online n made payment online for ₹500
On the time of verification of documents they refused to accept online form n told to do procedure offline then I had to pay twice with new payment of ₹ 500..
so I request you to refund my one payment of ₹500.. Thank you