Delhi Development Authority [DDA] — dda housing scheme 2019 refund not received from icici bank

Madam/sir

I am savitri devi. I had applied in dda housing scheme 2019 online via formzero.in and made payment of rs 2, 00, 000/- through icici bank. My name is neither appeared on first allotted list nor on wait-list. As per the official notification on dda website, unsuccessful candidates were supposed to receive refund by 13th august 2019. However, i have not received it till date that is 22nd august 2019. My application number is 905486 & applicant name is savitri devi.
I tried to contact dda helpline but got no response.
Please help in me in getting the refund as soon as possible...