If you are looking for books written by Indian authors that are worth reading, here is a list of books along with their authors that are popular among readers and have rarely disappointed anyone.
The God of Small Things- Arundhati Roy
The White Tiger- Aravind Adiga
My Gita- Devdutt Pattanaik
An Era of Darkness: The British Empire in India- Shashi Tharoor
The Namesake- Jhumpa Lahiri
The Great Indian Novel - Shashi Tharoor