MyTVS — Refund of my security Deposit

Address:

Speed Wheelz Nagpur. Phone No 9871408112

I had been a franchisee of My TVS in Nagpur. Speed Wheelz
I have closed the franchisee and also got the termination letter from them and I have requested for the refund of my security deposit.
It is now more than three months but I am not getting my refund nor any mail saying by when they will refund.
A totally unprofessional company.
It had been a very bad experience working with them Lost huge amount of money.