New Delhi, Dec. 18 -- A barometer check of India's obsession with its movie stars can be had on weekends outside an unmistakable bungalow in Juhu, central Mumbai. Bollywood star Amitabh Bachchan, when he's in town and can, steps on to a raised platform at the gates of his home, Jalsa, Sunday evenings to wave at a thronging crowd of fans. Sunday after Sunday fans from far and near gather just for a glimpse of the man and return thrilled that the superstar of their times acknowledged them.

Such a fixation with stars is now being sated on a screen by a spate of documentaries on film celebrities and families such as The Romantics on filmmaker Yash Chopra, Angry Young Men on writer duo Salim-Javed, and Dining with the Kapoors launching on str...