...rough overview of where to find the locations


My Route Kolkata/Calcutta 2 days
to New Jalpaiguri/Siliguri
& then to Gangtok (via Rangpo)
overnight + few hours
Gangtok (+trip to Lake Tsomgo) 2 days
to Yuksom ~ 1 day
Dzongri Trek 4 days
to Darjeeling (via Joretang) ~ 1 day
Darjeeling 4 days
Singalila Ridge Trek (partially) 2 days
to Siliguri 1 day
Siliguri 1 day
to Kolkata/Calcutta overnight
Kolkata 1 day
flight to Port Blair
& ferry to Havelock Island
1 day
Havelock Island 6 days
return to Port Blair
& flight to Kolkata
1 day
Kolkata 1 day