waheguru ji ka khalsa, waheguru ji ki fateh
That site is made by Brigadier Partap Singh Ji Jaspal (Retd.), whose father was a close disciple of Baba Nand Singh Ji Maharaj. Brigadier Partap Singh Ji Jaspal (Retd.) started a misson "Guru Nanak Data Baksh Lai" which was named after the incident he had in his dream, about how the whole world was being burnt and only those who recited Guru Nanak Data Baksh Lai was saved.
Baba Nand Singh Ji Maharaj was a brahmgiani who was one with Waheguru, People dont worship his image, they give respect.
Hope this clears some of your doubts