Three national records were created by the end of the second day of the National Junior Athletics Championship being held at Kochi.The new national records were created by M.S. Arun in 100 meters under 16 boys, Augustine Yesudas in 100 meters under 20 boys and R. Naveen in 600 meters under 14 boys. All these athletes are from Tamil Nadu.Ten other meet records were also created in the meet till the end of the second day. Meanwhile, Tamil Nadu is continuing its lead in the medal tally with 323 points. Maharashtra is in second position with 223 points, while Kerala is in third position with 180 points.