Tata Motors — set coimbatore return payment issue

Address:

Coimbatore, Tamil Nadu, 641045

We are booking tata indica last year december month, but some problem in my personal life, then only we r not taken the vehicle, after some problem am didn't contact srt showroom. But last four month i'll contact executive person for return payment sir, but company persons told "sir ur cheque is ready but me is not signed" every time executive say this words only, please to help me sir,... The booking ame is ""kumudhini"" date 30-12-16,