Samruddha Jeevan Multi State Multi Purpose Co-Operative Society [Sjmmcsl] — no refund of my money after 5 year of policy running

Address: Chunnabhatii, Darbhanga, bihar, 846009

I had bye the policy of samruddha jeevan for 5year tenure
My registration no is[protected]
Year of commencement is 2011
Total of instalment amount is 30, 000
No of instalment paid since 06/2015 of 500/month
Total amount paid is 21500 please refund my amount is its fraud company