There are number of Unexplored Places in India especially in North Eastern States of India like
Meghalaya
Arunachal Pradesh Majuli in Assam Araku valley in Andhrapradesh
Shoja, Jibhi in Tirthan valley of Himachal Pradesh
Patan in Gujarat
Some unexplored places would be:
1. Dzongu in North Sikkim
2. Mizoram - all of the state
3. Miyar & Pangi valley in Himachal
4. Gurez & Tulail in Kashmir If you need any contact, do let me know!