Baba Bir Singh having refused to surrender the Princes and the Sardar, Hira Singh ordered a military attack on the dera. The holy man advised the inmates not to resort to arms against the attackers who were their own brothersinfaith. Despite this Hira Singh`s artillery blasted the dera on 27 Baisakh 1902 Bk/7 May 1844 killing several hundred men, including Sardar Atar Singh, Prince Kashmira Singh and the aged Baba Bir Singh. The Baba`s samddh or memorial shrine and the Gurdwara, renovated in 1960, still attracts visitors. An annual fair is held on 27 Baisakh.
References :
1. Partap Singh, Giaini, Jivan Baba Sir Singh Naurangabad. Amritsar, 1962