The Hindu Mahasabha on Sunday opened a "gyanshala" or a study centre on Nathuram Godse, the assassin of Mahatma Gandhi. The ‘Gyanshala’, will make available literature, including life-sketches of Godse and the series of incidents and thought process that culminated in the assassination of Gandhi, opened at the Daulatganj office of the Mahasabha on Sunday.