Maharaja Suraj Mal or Sujan Singh, was a Hindu Jat ruler of Bharatpur in Rajasthan, India. Under him, the Jat rule covered the present-day national capital Delhi and districts of Agra, Aligarh, Alwar, Bharatpur, Bulandshahr, Dholpur, Etah, Etawa, Faridabad, Firozabad, Ghaziabad, Gurgaon, Hathras, Jhajjar, Kanpur, Mainpuri, Mathura, Mewat, Meerut, Muzaffarnagar, Palwal, Rewari, and Rohtak.