Colonel Jiwan Singh Of Kalaswala – was the eldest of the six sons of Bajwa Jatchief Sardar Dula Singh of Kalaswala in Siakot district, joined the army of Maharaja Ranjit Singh and was placed under Prince Kharak Singh. He first saw active service in Kashmir where he was wounded. For the bravery he displayed in the Tonkcampaign, he was appointed to the adjutancy of the Sher DilPaltan. He again went on active service in 1841 in Kashmir where he lost his younger brother, Kishan Singh. For his services in the campaign, he was promoted to the command of the regiment. Shortly after the return of the regiment to Lahore, Jivan Singh was sent with it to Amritsar to guard the Darbar Sahib. On the occupation of the Punjab by the British, the regiment was taken over by them and it formed the nucleus of the 19th Punjab Infantry. Jiwan Singh was confirmed in the position of commandant, with the rank of Colonel.
Jiwan Singh died at Amritsar in 1851. The Commander-in-Chief published a special General Order lamenting his death.
- Griffin, Lepel, and C.F. Massy, Chiefs and Families of Note in the Punjab. Lahore, 1909