Thandu Boate Man of sirajgonj.It is the main town in Sirajganj District. It consists of 15 wards and 52 mohallas. The town has a population of about 127,147. It was once considered among Calcutta and Narayanganj as a principal jute trade center. It is still has an important jute industry, with products traded via road, rail, and river. Its jute mills were the first in the Bengal area. The city has several college campuses connected with the University of Rajshahi.