Gurudwara Qatalgarh Sahib (Shahid Ganj), west of Garhi Sahib, is the main shrine at Chamkaur Sahib. This marks the site where the thickest hand to hand fight took place on 7 December 1705 between the Mughal army and the Sikhs, including the Sahibzadas, Ajit Singh and Jujhar Singh, and three of the original five Piare (the Five Beloved). A gurdwara was constructed here by Sardar Hardial Singh of Bela in 1831 but that building was replaced during the 1960’s by a new complex raised under the supervision of Sant Piara Singh of Jhar Sahib and later of Sant Bishan Singh of Amritsar. The main building called Mariji Sahib is an elegant three storeyed domed structure standing upon a high base. The large divan hall contains an eight metre square sanctum. Another vast hall close by is called Akal Buriga. It was used for the daily congregations before Mariji Sahib was constructed. To the west of Akal Buriga is an old Baoli Sahib still in use. The Guru ka Langar, community kitchen, is further north from Baoli Sahib and Akal Buriga. The Gurdwara also houses the offices of the local managing committee which administers all historical shrines at Chamkaur under the overall control of the Shiromani Gurdwara Parbandhak Committee. In addition to the daily services, largely attended assemblies take place on the first of each Bikrami month and on important anniversaries on Sikh calendar. A three day fair called Shahidi Jor Mela is held on 6,7 and 8 Poh, usually corresponding with 20, 21 and 22 December, commemorating the martyrs of Chamkaur.