 They ruled Bengal from here in the period from 1159 to 1206.The Ballal Dhipi in the Bamanpukur area adjacent to Nabadwip, which is associated with the history of Sen dynasty, has been protected by the Archaeological Survey of India.During the reign of Lakshman Sen, in 1202 AD, Bakhtiyar Khalji invaded and plundered Nabadwip and defeated Lakshman Sen.