The names
Indian film industries are often named after Hollywood: Bollywood for Hindi films made in Bombay, Tollywood for Telugu films, Kollywood for Tamil films from Kodambakkam in Chennai, Sandalwood for Kannada films and Mollywood for Malayalam films.
Bollywood
Hindi cinema is known for its stars, music and scale, from Dilwale Dulhania Le Jayenge to Dhurandhar.
The South
Telugu, Tamil, Kannada and Malayalam cinema now make many of India's biggest films, from RRR to K.G.F: Chapter 2.
East and West
Bengali and Marathi cinema are known for fine storytelling, from Chokher Bali to Sairat.