Raja shri Gopal Singh Of Ballabgarh, was a Tewatia Jat ruler, Who was founder of the princely state of Ballabgarh, migrated from Alwalpur village in 1705, and established himself at Sihi (5 kilometres (3.1 mi) from Ballabhgarh) after attacking the local Tyagi Brahman Chief there. Gopal Singh Tewatia of Sihi started establishing his power in Delhi, Khair and Mathura areas. He attacked Rajput of that area with the help of local Jats villagers.He became more powerful and richer and started looting the Mughal travellers on Delhi–Agra royal route during the reign of Aurangzeb (d. 1707). In 1710, during the reign of Aurangzeb’s son Bahadur Shah I, the Mughal officer Murtaza Khan killed him in 1711.
Raja Gopal Singh successor was his son Kunwar Charan Singh.