Harbhajan Singh Khalsa "he has helped to retrieve [yoga] from its distorted image of the medieval period and has restored it to its original and meaningful usage and purpose, that is to say, the desire to attain union with God through its agency." In his book, The Heritage of the Sikhs (1994), Dr. Harbans Singh mentioned "the extraordinary dissemination of the Sikh faith through the work of Yogi Harbhajan Singh in the United States of America. This true import of this must extend into and be unravelled by future history." A number of scholars have concurred that Harbhajan Singh Khalsa's introduction of Sikh
Harbhajan Singh in further controversy after an 2008 Indian Premier League (IPL) match between Mumbai Indians and Kings XI Punjab at Mohali in April 2008. While the teams were shaking hands, he slapped Punjab paceman and Indian teammate Sreesanth in the face. Harbhajan, who had stood in as the Mumbai captain for the first three matches of the tournament to that point, all of which were lost, had apparently been angered by Sreesanth's aggressive sending-off of his batsmen as Punjab coasted to a decisive victory. The Kings XI Punjab lodged an official complaint to the IPL. The match referee Farokh Engineer found