Hi
You can explore South India. Coorg is the best place to visit. It is seated high in the Western Ghats of Karnataka. A beautiful hill station where you can distress , relax and rejuvenate. . You may just require 3 days.
Coorg not only attracts nature lovers it draws the attention of adventure seekers too.
You can check out the following link it contains top places to cover in Coorg.
https://besthomestayincoorg.wordpress.com/2018/04/30/top-15-places-to-visit-in-coorg/
Besides you can just visit best homestays nested in coffee plantation too.
You can visit https://www.funstay.in/ they have good homestays.