Mumbai, Jan. 11 -- Megastar Amitabh Bachchan's grandson Agastya Nanda, who recently made his acting debut with 'The Archies', has finally joined Instagram.

On Thursday, he dropped his first post. He uploaded a picture in which he is seen donning a brown t-shirt and white pants.

https://www.instagram.com/p/C181rqNSR0Q/

As soon as Agastya uploaded his first picture, his family and friends from the industry left comments below his post, welcoming the actor into the world of social media.

His rumoured girlfriend and Shah Rukh Khan's daughter Suhana Khan commented, "Welcome."

She also used a smiling face with heart-eyes emoji.

Gauri Khan also reacted to his Instagram debut.

"Big hug," she commented.

Agastya's mamu and actor Abhishek Ba...