Sahara India Pariwar — not refunding money on maturity

Address:

Rosera, Samastipur, Bihar

Dear sir,
I had invested money in 2012 for Q-shop. Paper submitted to Sahara bank located in Rosera on maturity in 2017 but still they have not given money. Sahara Bank, Risers, Samastipur, Bihar. Pls help so I can get my hard earned money back. My mob is [protected]. I am in Air Force and posted to hard area. My father visited regularly but Bank manager is harassing to my old age father.
Thanks