Tech Mahindra — modify details on epfo portal

Address: 700156

I am archana mondal I worked with tech mahendra company from 26Oct 2015 to 30sep 2016 . To withdraw my pf I checked my pf account on epfo portal but there is no update my father name to update my father name many tims i talked pf help line of tech mahendra even i visited my office salt lace sector 5 DLF 2 but I did not get any possitive response .Even i requested to modify my details on epfo portal that is also pending from my company side .It's my hambule request please help me regarding this . I am waiting positive replay .

THANKS & REGARDS
Archana Mondal
Employee ID - 440121