RAGHUPAT RĀI NIJJHAR, a rich landlord of Khem Karan in present-day Amritsar district, was a devout Sikh. He called on Gurū Tegh Bahādur at Goindvāl in 1664, and requested that he be pleased to visit his native Khem Karan. Gurū Tegh Bahādur accepted the invitation and came to Khem Karan where Raghupat Rāi served him with devotion. The Gurū imparted instruction to many who came from the surrounding villages to see him.Gurdwārā Gurūsar Sāhib now marks the site where he had encamped. Raghupat Rāi presented a pedigree mare to the Gurū as a farewell offering. His son, Amar Siṅgh, subsequently received the rites of the Khālsā and joined the force of Bandā Siṅgh Bahādur. He was a leader of the Bandaī faction during the early 1720's.