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Siliguri

It is the main commercial city of the North Bengal

From 1878 the railway route to Siliguri was north for 185 km on the broad-gauge. 

Siliguri is situated at the base of the Himalaya Mountains in the plains. It is the largest city in the area of North Bengal and the second  largest city in West Bengal. It  connects the hill station towns of Gangtok, Kalimpong, Kurseong and Mirik with the rest of India. The Mahananda River flows past Siliguri. Siliguri has three main seasons, summer, winter and monsoons. Summer temperatures rarely exceed 38°C. It is considerably cooler than the southern and central regions of West Bengal. During this season, tourists from all over India stop in Siliguri en route to the cooler climes of the northern hill stations. Winters are relatively cool and temperatures range from a high of 15°C to a low of about 3°C. Light rain and dense fog are seen during this season.