Tech Mahindra — pf claim from " satyam computers "during my stay at chennai and hyderabad..!

Address: 560076

Hello,
I worked with the then "satyam computers" from oct 2006 to march 2010. From oct 2006 to april 2008 i was in chennai..in t, nagar and nungabakkam working with satyam computers in "presales". Later i was transferred to hyderabad and i worked there in madhapur from may 2008 to march 2010.
Please let me know, how do i claim my pf money from this company and i tried a lot reaching concerned team. Please let me know how to get my balance pf amount from "satyam computers" now the "tech mahindra". I am not getting any response from anyone.. I am trying to reach and let me know the process of getting back my pf amount with satyam company.! Please respond

Please help me.
K. Srinivas prasad