10TH 12TH SCIENCE PRACTICAL TIPS:

THANKS TO MISS S.SURUYAKALA PG ASST GHSS SARAM VILLUPURAM DT
12TH PHYSICS PRACTICAL TAMIL MEDIUM GUIDE-CLICK HERE
Thanks to Mr.C.Rajendran 
B.T Asst GHS Perumpakkam Villupuram D.t 605301.
10TH SCIENCE PRACTICAL TIPS AND IMPORTANT POINTS MARK BASED 2014-2015