In 1826, he was given command of 3 infantry and 2 cavalry regiments with a troop of artillery. In 1839, he was promoted to the rank of general and in 1847 appointed governor of Peshawar. During the second AngloSikh war, General Gulab Singh and his son. Colonel Ala Singh, were kept under restraint by the Sikh troops for their sympathy with the British. After the annexation of the Punjab, the British rewarded him confirming him in his jdgirs worth 17,500 rupees. General Gulab Singh died in 1854.
References :
1. Suri, Sohan Lal, `Umddt-ut-Twdnkh. Lahore, 1885-89
2. Chupia, B.R., Kingdom of the. Punjab. Hosliiarpur,1969