Bharat Gas — Gas cylinder delivered message received however I have not received it.

Address:

New Delhi, Delhi

I have booked cylinder (Consumer no[protected] and received message on my mobile that "Dear Mr MOHD ASIF, ref booking[protected], LPG cylinder was delivered on 11/01/2015" on 12/01/2015 however I have not received it till now. I have already complained on bharat gas website (complaint reference number - 430487) on 30 Jan 2015 however I have not received any response. Please help me on this because it seems that delivery boy has been delivering it somewhere else.