Delivary of parcel by postal department
Non delivery of regd. parcel sent from UK

MY SON SENT A REGD. PARCEL FROM LONDON, UK TO MY ADDRESS I.E FLAT NO 50/12, LIG, 3RD PHASE, KPHB COLONY, KUKATPALLY, HYDERABAD 500 072, ANDHRA PRADESH, INDIA.

Postal receipt No. RI878953063GB, dated 22-12 issued By Forest Gate Post office, London, U.K.

I lodged an complaint to the concerned postal department for non delivary of the same on 29-01.

So far neither I received the parcel nor got any reply from the concerned postal department.

How to get my parcel which is costly one?