Humara India Credit Cooperative Society Limited — My maturity amount date is completed in 12/09/2020, but still I am not getting my money back.

My mother invested a maturity amount in Golden 24 scheme of humara india credit cooperative society limited. The maturity date of amount is completed in 12/09/2020 but still we are not getting money. I went to shara office many times but they are not answering my questions.we are requesting you to please resolved our problem.