Delhi Development Authority [DDA] — not refunding my money

Address: New Delhi, Delhi

Website: dda.org.in

Dear sir,

I had applied in dda housing scheme 2017 in september 2017. With initial payment of rs100000/-. I was allotted flats in sector 34 rohini but i surrender flats within 6 days of allotment dated 6th dec 2017.
I am following up dda vikash sadan office from last 3 months as i have someother urgent work to accomplice but they are not refunding my money.
I am fed up with this and no extra energy left to follow up. Please help me in getting my money back.
Surrender date 06/12/2017
Receipt no rec/h/17/15219
Dda file no - app no 1801000
Name shailendra raj
Mb [protected].
Mailid raj. [protected]@gmail.com