Rangpur to Lachung to Katau.
Gangtok, the capital of Sikkim, is only 310 km from Rangpur and our capital Dhaka is about 360 km from Rangpur. Anyway, it took 100 rupees to go to Burimari Border ,,, train and auto ,,, tax was paid earlier so only the border cost 2 passes match 200 ,,,, again Siliguri