Write a letter to the Postmaster, City Post Office, Mumbai, informing him of the change of address, and requesting him to redirect your mail to your new address.
7G, Rainbow Colony,
M.G. Road, Dharavi,
23rd October 2013
City Post Office,
Subject: Change of address
This is to inform you that we have shifted our residence from no. 33, SSK Chawl, Dharavi, Mumbai, to the address given above. We have intimated the change of our address to almost all those who write to us. Even then it is quite possible that for some time we may continue to receive mail at our old address.
Kindly redirect all the mail coming to the old address to the new address given above.