The 49-year-old actor, who has accounts in other social networking sites including Twitter and Facebook, so far posted two pictures on the website.
In one picture, Aamir is seen with his director wife Kiran Rao while in other he is seen with a group of children.
"No time for tweeting, just time for posting my pictures in small boxes which represent my daily days. Good morning!," wrote Aamir.
The other Bollywood celebrities who use the photo-sharing medium are Sonam Kapoor, Bipasha Basu among others.
Aamir is all set to release his upcoming film 'PK' in December.


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