/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: grishchandra https://cdn.slidesharecdn.com/profile-photo-grishchandra-48x48.jpg?cb=1523635668 ASSISTANT PROFESSOR DEPARTMENT OF PHYSICS D.S.B.CAMPUS KUMAUN UNIVERSITY NAINITAL 7579251602