Sitel India Pvt Ltd — provident fund

Address:

500081

I have worked in sitel india pvt ltd for 18 months and left the organization. Now i am applying for provident fund they says that name is mismatch when i requested them to correct my name they are denied. I have email them multiple time but no one is repsonding (Hr) maha lakshmi she not even bother to call or email and manager madhusudhan he also no working
I need help on this...