CHANGA ,BHAI, a Bhatra scion of Madhav of Ceylon, became a devotee of Guru Nanak. He converted the residence of Madhav into a dharamsala and started imparting instruction in the teachings of the Sikh faith. His name is mentioned in “Haqiqat Rah Muqam,” an apocryphal composition included in Bhai Banno\’s bir, i.e. a recension of the Guru Granth Sahib prepared by Bhai Banno, a Sikh contemporary of Guru Arjan.
1. Kahn Singh, Bhai, GurusAabad Ratnakar Mahan Kosh. Patiala, 1964
2. Mrigind, Makhan Singh, Itihasak-Tribaini. Patiala, 1977