Born in India, Grand Master Abhai Singh Rathore is a 7thDan Black Belt.  His love of Tae kwon-do has taken him to many countries. He studied in Korea for an extended period of time and earned a Master's Degree and International Coaching Diploma in the art of  Tae kwon-do from the World Tae kwon-do Federation (WTF) in Seoul, Korea in 1988. Grand Master Singh is a certified Olympic International Referee. He is also a former National Champion of India and has competed in numerous events. With over 25 years of experience, in teaching both adults and children, Grand Master Singh established Sangrock Black Belt World in Matthews & Charlotte in 1998 NC. He also earned Masters in Special Education from California New Hope University. Grand Master Singh is the founder of Black Belt World India.

• President of Sangrock Black Belt World
• Co-founder Sangrock Black Belt World India
• Kukkiwon 7th Dan Black Belt
• Olympic-Certified International Referee
• Former National Champion of India
• Professor at Taekyeung College
• Master Degree in Special Education