Chandigarh, Feb. 29 -- The students of DAV Model School, Sector 15, celebrated National Science Day by presenting models on various themes like Parv of Class 6-A made forest fire controller, Prince of Class 6-B made safe landing model, Priyansh of Class 6-B showcased solar system and chanderyaan. The students of Class 4 enthusiastically participated in quiz based on scientific facts and inventions. The event highlighted importance of science in everyday life....