Employee's Providents Fund Organisation [EPFO] — organisation has not done my full & final settlement i. e. p. f

My name is mithun mohan rout and i worked for basix, indian grameen services as an accountant from 27th may 2015 to 30th november 2015. My termination date is 30th november 2015. Even after my termination of over one and half years the organisation has not done my full & final settlement i. E. Fp. I have tried many time to contact them over email and calls but every time they denied my case. They have not provided me my pf account number and the uan number too. I have the appointment letter, the experience letter and the email copies as supporting documents which i am attaching to this letter.
Employer name: mr. Mihir sahana
Address of the organisation: basix, indian grameen services, bc-247, sector-1, salt lake city, kolkata, west bengal-700064
Tel:[protected] mob:[protected]
So, it is a sincere request from my side to help me in this matter to get justice. Thanking you.