If you're a trekking and hiking enthusiast like me , you can visit
Har ki doon trek (uttarakhand)
Kashmir great lakes trek
sandakphu trek (India Nepal boarder)
kalpa and chitkul (Himachal Pradesh)
tirthan valley trek (Himachal Pradesh)
Nanda Devi (binsar - Himachal)
mangi - Tungi (Maharashtra)
sarahan (pilgrimage- Himachal Pradesh)
chakrata - uttarakhand
sainj valley - Himachal
if you are planning in North India
dalhousie
dharamshala
mcleodganj
Manali
kullu
kasauli
kheerganga
Tosh
khajjir
gangtok
sikkim
if it's in South India
lonavala
coorg
Ooty
kodaikanal
Andaman
if it's in North East
cheerapunji
hope it helps you!