 The village of Karamgarh is named after Karam Singh who succeeded the throne of Maharaja of Patiala in 1813 and ruled until his death in 1845.Later on Mahendra Singh of Patiala, his younger son Raja Sahib Sir Ranbir Singh KCSI born 1873 was married to the daughter of Sardar Lahna singh of Karamgarh in 1889, he was made a KCSI in January 1903; he was granted the title of Raja in 1915.His father Rais Gurbaksh Singh of Karamgarh was an Honorary Magistrate and exercised civil and criminal powers in the nizamat of Karamgarh.