Sahara India Pariwar — payment not yet received after one year of maturity

We had started saving 500 rs per month from 15th july 2012. This scheme was for 5 years.
The scheme matured was on 15th july 2017. But till date, we didn't get a single rupees from sahara.
Below is the account details.
Account number: [protected]
Name : sabitri rana.
Branch:berhampur sector 1139
Agent : babula behera
State: maharashtra
Country: india