The Cambridge History of India, Vol. III: Turks and Afghans v3.c24.26

v3.c24.26

The general attitude of the Muslim rulers of Bengal to their Hindu subjects was one of toleration, but it is evident, from the numerical superiority in Eastern Bengal of Muslims who are certainly not the descendants of dominant invaders, that at some period an immense wave of proselytisation must have swept over the country, and it is most probable that that period was the reign of Jalāl-ud-dīn Muhammad, who appears to have been inspired by the zeal proper to a convert, and by a hatred of the religion which had prompted his imprisonment, and had ample leisure, during a reign of seventeen years, for the propagation of his new faith.