Amitabh Bachchan's grandson, Agastya Nanda makes his Instagram debut; Alia Bhatt, Suhana Khan question his quirky captions

In case you haven't seen it yet, Agastya Nanda is on Instagram and is grabbing eyeballs for his scrap-book kinda profile and quirky captions. Scroll down to read what Alia Bhatt, Navya Naveli and Suhana Khan have to say about it.