AAA Engineering colege Mechanical engineering students went for practical learning to Cochin, Ooty, and Coimbatore. From the visit they had understood that the greatest enemy of knowledge is not ignorance it is illusion of knowledge .They had visited Anna aluminium pvt. Ltd, Cochin shipyard, Best pumps pvt. Ltd, GeDee Museum, TATA Tea factory, national fittings Ltd. Finally the hands are the instruments of mans intelligence.