Jaypee Infratech — fdr maturity funds not received

I had invested in FD with JP Infratech in 2012 (FDR No.51443 dated 15-Nov-2012) for 3 years and it matured on 14th Nov 2015. I am yet to receive the principle / maturity funds. Initially the customer service person assured that I would soon get my funds with delayed interest however for the past 6 months no one is even picking up the phone and I have no idea on the status.

As a working single mother I had saved these funds towards my kids education and have to now raise a personal loan at 18% for my kids school fees.

May I request help in getting a refund of my amount along with delayed interest.

Thanks.