Brahmi & Indus Harappan 6th c. BC . These are the only languages which are oldest language of our country. Sanskrit is latest among all historical indian languages. Prakrit , Pali, Magdhi can be or same age of sankrit or older than sankrit. Most of the language except Sankrit were mastered by Jainism and Saivism.( saivism is another form of jainism , renamed parallely around 2000-2500 years ago. These were the major religions of Dravids and harappan civilization.
