Plethico Pharmaceuticals — Fixed Deposit maturity amount not received

I have not received maturity amount of my following Fixed Deposit from Plethico Pharmaceuticals. I have sent many reminders but no response till date. Two deposits are in my name and one deposit is in my mother's name. My mother is senior citizen (75 years). she is ailing and need medical attention. I have lost my job since March 2020. I am in urgent need of fund. Please help me. Details of FDR mentioned below:

FDR No. 23377 dated 10/09/2012 for Rs. 30, 000 (Harvinder Singh)
FDR No. 13394 dated 22/10/2011 for Rs. 50, 000 (Harvinder Singh)
FDR No. 13391 dated 22/10/2011 for Rs. 30, 000 (Sudarshan Kaur)