Indraprastha Gas Limited [IGL] — gas pipeline connection

Address:

New Delhi, Delhi, 110015

I had applied Gas pipeline connection in month of Dec. 2017 vide BP No.
[protected] in the name of Karam Vir S/o Late Sh. Tulsi Ram R/o 2/24 Ramesh Nagar, New Delhi 110015. After verification of documents, I had deposited Rs. 6000/- on 3/02/2018. Till then I had made no. of calls, and also on customer care complaint, no one has come to install the gas pipeline connection in my premises. No one is hearing my complaint. Is this is the customer care of IGL. I do know where I have to complaint. Please resolve my problem.