Gurdwara Garhi Sahib commemorates the spot of the bloody Battle of Chamkaur . After the attack at the river Sirsa, Guru Gobind Singh , his two eldest sons and 40 Sikhs made it to the town of Chamkaur while being pursued by an army of 1,000's. Guru Gobind Singh and the 40 Sikhs sought shelter in a mud-built double story house. They were attacked by the enemy on December 21, 1705. Against these overwhelming odds, the Sikhs ventured our in small groups to fight the enemy and bravely lay down their lives. Thirty Seven Sikhs were martyred that day including Guru Gobind Singhs two eldest sons as well as three of the Five Beloved Ones (the first baptized Khalsa). Guru Gobind Singh makes a reference to this battle in his victory letter Zafarnama. Guru Gobind Singh leaving Anandpur Sahib Doors of Kot Kapura After Guru Gobind Singh left Anandpur on the night of December 5 and 6, 1704, he crossed the Sirsa river and en route from Machhiwara , after staying at Dina , reached Kot Ka