India Hikes recommendations:
1. Rupin Pass
2. Roopkund
3. Kashmir Great Lakes
4. Buran Ghati
5. Pin Bhaba Pass
6. Tarsar Marsar
7. Kedarkantha Trek
8. Kuari Pass
… see our Kauri INFO page
9. Gaumukh Tapovan
10. Goechala
11. Hampta Pass
12. Sandakphu Phalut
13. Brahmatal
The trekking is GREAT in India. But logistics are often troublesome.
Next time I get to the subcontinent I plan to try a guided trip with India Hikes.
However, their list is certainly not definitive. Markha Valley is our favourite trek in India. It’s not included.
besthike.com 
Hampta Pass trek is one of the most beautiful treks in the Manali region of Himachal Pradesh.check this link for trekking tips to hampta pass
https://www.altitudeadventureindia.com/trekking-tips/
Have you checked out Buran Ghati Trek?
https://www.advenchar.com/tour/buran-ghati