Hyundai Motor India — inorder to get back my booking amount of iooo rupee cash and a cheque of 136000, since i cancelled the booking

Address: Pathanamthitta, Kerala

I have booked a hyundai xcent from ss hyundai, thiruvalla. A booking amount of 1000 rupees cash and a cash cheque of 136000 was given. Unfortunately due to some personal reasons i had cancelled booking. But the booking amount and cash cheque is not given back yet. Thethecar was booked in the name thomas jiji thomas. The cancellation letter was given on 28/08/2017. Please do necessary action to get back my booking amount and cheque.