Actually they got name mani singh after their bhagti at soho road asthan.They also went to dalpanth when They came to india.They did bhgti at nanaksar at baba nand singh jee's hazoori sewadar's house ,hazoor sahib they used to live in giani hardeep singh jee's house,guru ke lahore.They did extensive meditation at bhangala village.About this we can listen to katha by bhai dhana singh jee.