IBM
PF transfer not done

I was working with Accenture India Pvt Ltd. an IT company based in Gurgaon and i left that company... after leaving the company i requested them to transfer MY PF to my new company account which is IBM and based in Kolkata..IBM filled all the form in coordination with me with all the required details and submitted the same to RPFC office bangalore on 6th April... Despite repaeted attempts to contact the RPFC office on the number provided by our IBM (080-25613382 / 25617629) I am not able to get the details of PF status and there phone is coming busy almost all day long and after ringing also no one is picking up... My PF account number is KN/BN/19214/085684...