How many volunteers had accompanied Gandhi on the famous Dandi March of March 12, 1930?

The 24-day march lasted from 12 March 1930 to 6 April 1930 as a direct action campaign of tax resistance and nonviolent protest against the British salt monopoly. It gained worldwide attention which gave impetus to the Indian independence movement and started the nationwide Civil Disobedience Movement. 78 volunteers had accompanied Gandhi on the famous Dandi March of 12 March 1930.