Tata Motors — regarding refund of booking amount

Address:

deogiri Auto showroom near bharat petrolium west Jogeshwari, Raigad, Maharashtra, 402201

I have booked tata tiago xz on 19 July 2019.Sir, due to personal reasons I cancelled the booking on 10 Aug 2019 same information given at Deogiri near bharat petroleum. Hard copy given at Deogiri showroom Alibag. Many times I talk to service regarding refund of booking amount on [protected] service center [protected].No response was given by any sales person.
I request you to refund booking amount ASAP. I am facing the problem of last six month.Kindly do the needful ASAP.