Unitech Group — Non receipt interest and maturity amount of fix deposit

I deposited rs 1, 00, 000/- for 3 years as fix deposit with m/s unitech limited fd office: 2nd floor, plot no.-136, phase-1 udhyog vihar, gurgaon-122016 having fdr no is 1240198, folio no. 1249845 and date of issue of receipt is 03.10.2013

As per terms and conditions the payment of interest is @ 12.50% is on quarterly basis.
I regret to inform you that i have not received the till the date, the interest for quarter ending september 2015 and onwards.
The maturity of the deposit is 25/09/2016. Even after lapse of 10 months the maturity amount rs. 1, 00, 000/- also have not been paid to me till the date after discharging the original receipt.