ICICI Only Vimal Vaatsalya Bonds — I can't redeem my bond

I cann't redeem my money multiplier bond- private placement series r/bpn/99/1 with certificate no. 18495 issue date 01.07.1999 & redemption date 01.01.2018 for face value rs. 1000/-
which i have given for purchaing "vimal garments" as company's promotional aspect.