HCL — pf transfer

Hi,
I am ex employee of hcl technologies and i have been trying to follow up with hcl pf team to transfer my pf balance since i left the organization in 2016, but i have not received any acknowledgment/feedback on my concern, neither my issue is taken care of.

My father's name & relationship field against my uan number is blank.
Without updating these information, i am unable to transfer/claim my pf amount.
Please help me contact hcl pf team to update the details.

My details are -
Name - subhraksha nandy
Employee id[protected]
Joining date - 14/06/2013
Last working date - 23/12/2016
Uan :[protected]
Pf/pension no (As per payslip) - hil epf trust - gn/ggn/5572/262242 //rpfc - gn/ggn/5572/249118
Employer - hcl technologies pvt ltd
Trust name - hindustan instrument ltd.

Details to be updated -
Father's name - shiba prasad nandy
Relationship - father

Thanks and regards
Subhraksha