Aman Trivedi
Estimated to have been composed between 1500-1000 BCE, the 4 Vedas are the oldest known texts in India.
Composed around 800-500 BCE, the Upanishads explored the reality of life, human nature and the ultimate truth of existence.
Ramayana was written by Maharishi Valmiki on the life of Lord Rama during the Treta Yug, his struggles and lessons.
Written by Ved Vyas, Mahabharata was written about the war between Kauravas and Pandavas and the struggle for the power of the kingdom.
Chanakya's Arthashastra is a popular book on warcraft, policy-making, economics, and similar subjects and serves as a reference book to many even today
According to the 'Amar Chitra Katha' Puranas are religious texts composed in Sanskrit, based on myths, legends, and worshipping techniques.
Another very old Indian text, the Sushruta Samhita is a book, written by the first 'plastic surgeon' of the world, Sushruta.