sentences:  During his time in Kushtia, Hossain, coming from a relatively poor family, supported himself by various scholarships, lodged at nearby homes as house tutors and later settled at a hostel.Among the teachers, he specially later recalled of Jyotindranath Roy and Jatindra Mohan Biswas.During his years at the school, Jyotindranath Roy, an accomplished teacher of Mathematics and Sciences, laid Hossain's foundation in algebra, geometry, conic section and mechanics.