Sikkim lies on the North Eastern corner of India and is juxtaposed between Bhutan and Nepal with West Bengal on its South.
Capital of Sikkim is Gangtok, which connects Siliguri through National Highway 31A. Siliguri, a major town on the northern fringe of West Bengal being the main gateway of Sikkim.

Nearest Airport: Bagdogra. (Near Siliguri, 117 kms from Gangtok)
This is connected with regular flights from Kolkata (Netaji Subhash Chandra Bose International Airport).
Daily flights are available to Kolkata from New Delhi, Mumbai, Chennai and all other major cities of India.

Nearest Railway Station:

New Jalpaigur,i near Siliguri Town, 117 kms from Gangtok.
Overnight trains are available from Kolkata which reaches New Jalpaiguri Station in the morning.

Taxis
1. Taxis are available from New Jalpaiguri Station: charges are INR 100 per person.
2. From Siliguri Buses and Taxis are available at the following points:
Buses - SNT(Sikkim National Transport) Bus Terminus, Near Tenzing Norgay Bus Terminus.
Taxis - Taxi Stand Opposite SNT Bus Terminus. Charges are INR 100 per person OR INR 1000 (This may incease during peak tourist season) if you want to reserve the vehicle.