SULAHI KHAN, a Mughal courtier, was befriended by Baba Prithi Chand with a view to securing official patronage for his claim to succession to the spiritual title to which his father, Guru Ram Das, had nominated his youngest son, Arjan. Prithi Chand, eldest of three brothers, had founded a new village, Kotlia Guru, in the Malva region, where he invited Sulahi Khan to visit him. Sulahi Khan came, and the two of them hatched a plot aiming to finish up the Guru.
SULTAN MAHMUD KHAN (d. 1859) , son of General Ghaus Khan, was a commander of a section of heavy artillery during the regime of Maharaja Ranjit Singh. His derah of artillery was designated as Topkhanai Sultan Mahmud. After the death of General Ghaus Khan in 1814, although the chief command of the artillery was entrusted to Misr Divan Ghand, the battery under the former`s command was placed in the charge of Sultan Mahmud. Sultan Mahmud accompanied Maharaja Ranjit Singh on his expeditions against Multan and Kashmir. After the reorganization of the Sikh army into Brigades in 1835, when a horse battery was attached to each brigade, the heavy siege train continued to be commanded by General Sultan Mahmud as a separate corps.
SUNDAR SHAH (d. 1640), a Muslim saint of Devnagar, probably the present day Deogaori in Azamgarh district of Uttar Pradesh, is remembered in Sikh tradition for his admiration for Bhai Bidhi Chand, a prominent Sikh of the time of Guru Hargobind. Bhai Bidhi Chand was preaching in the eastern parts when Sundar Shah had the chance of meeting him. They became attached to each other and, before Bhai Bidhi Chand left, Sundar Shah made him promise that he would return and spend his last days with him.
SUNDAR SINGH JATHEDAR, BHAI (1869-1921), one of the Nankana Sahib martyrs, was the son of Bhai Bishan Singh and Mai Indar Kaur of village Dhudial, in Jalandhar district. His ancestors came from Bandala village in Amritsar district where they had served in the chief ship of Sardar Baghel Singh of the Karorsirighia misl. Sundar Singh learnt Gurmukhi in the village gurdwara and fondly recited passages from the Sikh texts. He had received the vows of the Khalsa at Sri Anandpur Sahib and had since punctiliously observed die Khalsa rahit. On 19 February 1921, as the call for action came, he led out a 15 strong jataa and joined Bhai Lachhman Singh Dharovali`s men on their way to Nankana Sahib.
SUNDAR SINGH, BHAI (1881-1921), one of the Nankana Sahib martyrs, belonged to Nizampur Deva Singhvala, near Dharovali in Sheikhupura district. His original name was Sudh Singh. He was the son of Bhai Chanda Singh Kamboj and Mat Hukami and was born in July August 1881, at their ancestral village Nizampur in Amritsar district. The family had shifted as colonizers to Sheikhupura district during the mid1890`s. Sudh Singh took the vows of the Khalsa at Sri Akal Takht, Amritsar, and received the new name of Sundar Singh. He attended the Dharovali conference on 13 October 1920 and participated in the liberation of Gurdwara Khara Sauda on 30 December the same year.
SUNDAR SINGH, RAGI (1892-1937), head musician at Sri Harimandar at Amritsar, was born at Amritsar in 1892, the son of Bahi Amar Singh Arora, himself a musician of considerable standing. Sundar Singh served his apprenticeship with Bhai Atra, a well known rababi (rebeckplayer), who was a disciple of Bhai Moti, a rababi of still greater repute in his time. He further chiselled his style under a noted Sikh musician, Uttam Singh. On 10 September 1932, he was appointed ragIat the Harimandar where he soon rose to be the head musician. He had a rich melodious voice and his favourite instruments were dilruba, a string instrument, and harmonium, and his favourite mode was Khayal.