Bharat Sanchar Nigam [BSNL] — changing of bill address

Address:

Shimla, Himachal Pradesh

Sir
I m using postpaid bsnl number under ucg plane since last 7 years but i have been transferred from that address to new address.
My old address is where bill is dispatched..
Bashir ahmed bhatt
Medical officer i/c
Chc lad bharol distt mandi hp
Now my new address is (Because of my transfer)
Dr bashir ahmed bhatt
Medical officer i/c
Phc naldhera distt shimla
171005
Thank u and regards