Yeah…about the same amount of research that you do before you post i.e. copy & paste.
This pseudo-expert Baldev Singh referred to the writings of one Velu Annamalai, who is also a Ph.D and is the President of the **International Dalit Support Group **and the author of Sergeant-Major M.K. Gandhi published by the Dalit Sahitya Akademy in Bangalore, India in 1995
Surprise ! Surprise !!