Hey Joe, Ask him to visit Chikmagalur or Shimoga ... both are nestled in western ghats and are very silent and calm to Roam around and have a great time ... Happy Travelling Bro!!!
Auroville. A little distance from Pondicherry. Its a peaceful place built with all intentions of doing good to humanity. you can try the website for a better grasp.
https://www.auroville.org