574 girl students of Class V, VI and VII of Everwin Matriculation Higher Secondary School, Kolathur, presented a drill exercise at their school playgrounds on July 15 to form letters that read 'KAMARAJ' as part of the preparations for the late leader's 105th birth anniversary on Tuesday. The Tamil Nadu government has directed all schools in the State to celebrate July 15 as Education Development Day (Kalvi Valarchi Naal). Accordingly, Everwin school has been organising a number of competitions for its students for the last few days and prizes will be awarded to the winners on Tuesday.