The 58th National Junior Ball Badminton tournament began on Wednesday at Dindigul, Tamil Nadu. Former Indian Hockey captain Dhanraj Pillay, national ball badminton player Marimuthu inaugurated the tournament.More than 600 players from 26 States like Tamil Nadu, Karnataka Andhra Pradesh are participating.Tamil Nadu are the defending champions in both boys and girls categories. The finals will be held on July 8 Sunday.