The correct answer is Bhikhudan Gadhvi.
Bhikhudhan Gadhvi (1887-1956) was a Gujarati folk singer and poet. He is considered to be one of the most important figures in Gujarati folk music. His songs are known for their simple, yet powerful lyrics, which often deal with social and political issues.
Praful Dave (1926-2013) was a Gujarati folk singer and actor. He is known for his work in Gujarati films and television.
Osman Mir (1928-2013) was a Gujarati folk singer and musician. He is known for his work in Gujarati folk music and theater.
Atul Purohit (born 1960) is a Gujarati folk singer and composer. He is known for his work in Gujarati folk music and films.
Bhikhudhan Gadhvi is the most famous Gujarati folk singer because of his contribution to Gujarati folk music. He is considered to be one of the most important figures in Gujarati folk music. His songs are known for their simple, yet powerful lyrics, which often deal with social and political issues.