BHAG SINGH CHANDRA UDAYA, an undated manuscript preserved in the Punjab State Archives, Patiala, under accession No. M/773, deals with the life and achievements of Sardar Bhag Singh Ahluvalia (1745-1801), who succeeded Sardar Jassa Singh Ahluvalia as ruler of Kapurthala state in 1783. Its author, Ram Sukh Rao, was tutor