Helios And Matheson — fd principal and interest have not been received

I have a fixed deposit with helios and matheson where the principal amount and the interest amount for the past 5 years have not been received i need my entire amount including the interest kindly advise the procedure and whom to contact it's long overdue.

The principal amount is 40000 rupees it was for a period of 36 months with 12% interest date of deposit was 18th october 2011 maturity date was 18th october 2014 tdr number fdb009328