Karrm Infrastructure — I'm complaining about my money that is not refund to mine account

Address:

Ramdev tube Ice factory D/26/1 Ambernath ,east

Dear sir,
I'm very depressed from the service of karrm bramhand provided.
I cancelled my flat at last year and they said that your money will refund within the 8month but they didn't refund the money of mine that is amount rs 226000. I have written proof of the flat but they don'ts give any response from their office. They don'ts pick up the phone also. Please help us.