Mr. Chayan Bhattacharjee visit to Gangtok for 5 night and 6 days all photos with his experience will share shortly to my friends............Gangtok, city, capital of Sikkim state, northeastern India. It lies on a tributary of the Tista River in the southeast-central part of the state at an elevation of about 5,600 feet (1,700 metres). The city's name means “Top of the Hill.” Gangtok rises over slopes extensively