Delay by company to release my provident fund amount

I had working with the company by ENGINEERING COMPANY was situated in Balanagar Hyderabad has ben shut down few years ago. my actual provident fund in about 13 years. but the provident fund department is delaying to release my fund, I have full document with me about 13 years fund but the department is saying they can give only two to three years. for which i want legal help from ur side