/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: sumit_nik https://cdn.slidesharecdn.com/profile-photo-sumit_nik-48x48.jpg?cb=1558239276 Btech mechanical, RTU. 1 year teaching, as asst. professor of mechanical engineering. sprawal1643.blogspot.in