Civil Engineering Students of Gian jyoti group of Institutions made High Efficiency Particulate Air filter that traps airborne particles larger than 0.3 microns. This utilizes fine sieves that filter particles from circulating air. As air flows into the air purifier, the finer the sieve used, the smaller the particles it traps. HEPA filters remove smaller allergens like dust, smoke, chemicals, asbestos, and pollen which is very helpful devices for people who suffer from asthma or allergies.While encouraging the students Chairman ,J.S.Bedi Said that we believe in creating professionals, who can meet the ever growing, demands of business and industry with thorough professional grinding and sharpening of interpersonal skills, So that, they can take up challenges of the fast paced life and jet setting careers. He further added that by exploring practical knowledge Students can polish their practical skills.