Ankita clocked 14.45 secs to win the girls' Under-16 100m hurdles as she eclipsed Meghana Shetty's (Karanataka) two-year-old mark of 14.57s.
Another Maharashtra girl Shriya Vilas Kolge (15.29) and Karnataka's Simona Mascarenhas (15.42) took the silver and bronze medals respectively.
In boys' Under-14 600m, Puneet shattered the national record with a time of 1:24.54. Three other athletes, who finished behind him, also bettered the previous national record of 1:26.60 which was in the name of Manipur's S Ibungo Singh since 1994.
The day also saw seven new meet marks being set by the athletes.
Local favourite Aneesh Abhay Joshi once again dominated the high hurdles and set a meet mark of 14.19 secs while taking the top honours in junior men's 110m hurdles.
Aneesh, who had earlier won the Junior Federation Cup at the same venue with a 14.05 secs timing, however failed in his bid to improve the national record of 13.92s which stands in the name of J Surendhar of Tamil Nadu.
Karnataka's Meghana Shetty, the winner of Junior Federation Cup here earlier in the year, went on to better another meet record by winning the Youth Girls '100m hurdles. in 14.18 secs.