After his early education at Lucknow, he went to London University for higher study.
[1] After his return, he started his teaching career at Punjab.
From 1963 he became head of department of History in Jamia Millia Islamia and University of Kashmir.
In 1951, Hasan wrote his first book, History of Tipu Sultan.
Later he wrote Kashmir under Sultans,[2] Waqai-i-Manzili-Rum, Babur- founder of the Mughal Empire in India etc.