Gangtok is the capital of Sikkim, accessible from Manjapra via a long-distance train journey to New Jalpaiguri followed by a drive. You can take a train from Aluva to New Jalpaiguri, which is a very long journey across the country. Alternatively, fly from Kochi to Bagdogra and take a taxi to Gangtok. This journey takes you from the southern coast to the beautiful mountains of Sikkim.
Total Distance: 2800 km by road; 2300 km air distance.
Taxi from NJP to Gangtok takes about 4 hours.
Check for short layovers in Kolkata.
October to March for pleasant weather.