Hallo friends I am a resident of Kolkata , west Bengal. This city are are like a forest of bulinding and car and polution.
Last month for refresh ment we are visiting sikkim .
Friends I request one time atlest visit that place.its awesome.feel like free from every tention.
From Kolkata you will take train its one night journey NJP station if u are taking air mode than its take hardly 3hour from Kolkata airport to bagdogra airport. Than you can easily get share or rental car from both the place they will charge near about 300/- per person.
Distance from siliguri its 180km almost and its take hardy 5 to 6 hour .Lots of Hotel are available as per your budget 1000/- to 5000/- per day with food and other services.
From proper sikkim their are lots of tourists please are chaugu, nathula pass, murti and lots more . You are booked a car for entair day and visit all places and next day return.
In sikkim their people are also very helpful so I never faces any problems.