sentences:  His fourth son, Phakir Chandra Kundu, and the youngest son Debdas Kundu later took charge of Kundu Special and established it in the hearts of Bengalis as the premier tour organisation with help from many of his other brothers.Many of the tours were on "special" trains, that were entire trains reserved by the company specially for its clients.These trains were not only staffed with chefs and bearers, but also had paid medical staff on board to help the two to three hundred passengers that would be part of such a tour.