Gurdwara Hatt Sahib is situated in Sultanpur Lodhi, district Kapurthala. Guru Nanak Dev Ji worked in the Modi Khana of Daulat Khan. He had got the job on the recommendation of his brother-in-law Jai Ram. This Gurdwara is situated at the place of the shop known as Modi Khana. The 13 polished stones believed to be used by Guru Nanak to weigh are on the display here. In south, old fortress like serai, which marks the spot where Guru Nanak Dev Ji worked as the custodian of Nawab Daulat Khan's provision stores. The building comprises a hall, with a square sanctum in its middle. Above the sanctum is a square room with wide arched coping and a lotus dome topped by a gold plated finial.