Harbhajan Singh Khalsa detailed demand for a retraction published under the title "Time Will Tell" in the 3HO publication "Beads of Truth", Issue 36, Fall 1977. Harbhajan Singh is mentioned in a range of reference works, including the "New Age Encyclopedia". Western scholarly appraisal of his work may be found in Hew McLeod's "Who is a Sikh?" and "Sikhism", and in Verne A. Dusenbery's article "Punjabi Sikhs and Gora Sikhs: Conflicting Assertions of Sikh Identity in North America". BBC interviewed Singh at the 300th anniversary celebration of the Baisakhi holiday at Anandpur Sahib, India in 1999. Harbhajan Singh is also featured in books
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