What documentaries in India are worth recommending?

Here are some recommended Indian documentaries:

1. "Welcome to India": a documentary produced by BBC, 3 episodes, the main character is a young man who pursues an independent life in the sewer; A woman who feeds seven children and an idle husband by recycling plastic bottles; A Bangladeshi man who believes in Hinduism and pays a lot of savings for it; A teenager who sleeps in the park with his family and sells pirated books by the roadside for a living.

2. The story of India: The six documentaries highly concentrated the origin, history, culture, religion, politics, geography and customs of India.