New Delhi, June 14 (IANS) Bhai Mani Singh was on Sunday hailed as a great martyr and the father of medieval Sikh textual scholarship who reunited the fragmented literature of the religion. The speakers at the 'Bhai Mani Singh Memorial Lecture' held here included eminent personalities from the worlds of spirituality, law, and education, including the chief guest, the most revered 'Nirmala Sant' Dr Rameshwaranand from Pushkar Ashram and the programme's chairman, Bhai Ranjit Singh, Chief Granthi, G