The Bolan Pass is a mountain pass in Balochistan, Pakistan, that provides access to the Indian subcontinent from the Iranian plateau. It has historically been a crucial route for trade and invasions. Head Master Praveshika School (Sanskrit Edu.) -2021 Ghiyas ud-din Balban served as the Naib (deputy) during the reign of Sultan Nasiruddin Mahmud of the Delhi Sultanate. After Nasiruddin Mahmud's death, Balban ascended the throne himself.