where can i get postcards to send abroad in navi-mumbai?

i want to buy some postcards but not from the post office….it may be about india. can you please please give me the address and contact info of stores from which i can buy postcards in navi mumbai?
i want to send these postcards to different countries. even special greeting cards depicting india on the first page is fine….

Parcel from usa to india via post?

Can any one tell me ,
Whats the procedure if i want to get a used mobile phone from USA to INDIA, and i don’t want to use my address.
So can i get it on my local post office
and pls tell me its safe or not
and does it comes under some tax or some verification also

and can i use a usa mobile in india