I applied for aunit link plan of ingvyasa life insurance 2 years back but still havn't got the policy.?

i applied for apolicy of ingvyasalife insurance 2 years back but didn't recieve any policy,inspite of my regular complains they didn't take any note of my problem.now when i am asking me to refund my money back they say your case is under consideration.2 months before i lodged acomplain in there complains department,stilll whenever i call them they say there executive will call me but there is no response what so ever.what do ido? i am a house wife with 2kids and don't know where to go and what todo kindly help.