A: You can travel to Gangasagar, Siliguri, Durgapur, Kharagpur, Dhanbad, Ranaghat, Patna, Jamshedpur, Puri, Bhubaneswar, Gaya, Varanasi, Bokaro Steel City, Ranchi, Guwahati, Darjeeling, Katwa, Habra, Bhagalpur, Cuttack, by cab from Kolkata.
A: For Gangtok people book taxi from Siliguri, Siliguri, Bagdogra, Darjeeling, Bhagalpur, Durgapur, Muzaffarpur, Darbhanga, etc.