Mumbai, Oct. 12 -- After years of staying away from social media, actor Saif Ali Khan seems to have finally joined Instagram.

The actor's arrival on the platform has caught fans' attention, with many welcoming him and keeping an eye on his first post.

Saif, who is married to actor Kareena Kapoor Khan, has largely stayed away from having a public social media account of his own. Fans have often caught glimpses of his personal life through Kareena's posts, but his Instagram debut now gives them another way to follow the actor.

Interestingly, Kareena was the first person Saif followed on the platform, and she has followed him back. His sister, Soha Ali Khan, is also among his followers.

Saif's first post refers to the Pataudi Library, br...