 Over the next few years, Iltutmish suppressed a rebellion in Bengal, captured Gwalior, raided the Paramara-controlled cities of Bhilsa and Ujjain in central India, and expelled Khwarazmian subordinates in the north-west.His officers also attacked and plundered the Chandela-controlled Kalinjar area.Iltutmish organized the administration of the Sultanate, laying the foundation for its dominance over northern India until the Mughal invasion.