/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: monoranjanchowdhury1 https://cdn.slidesharecdn.com/profile-photo-monoranjanchowdhury1-48x48.jpg?cb=1672650850 i am Dr. monoranjan chowdhury...asst. professor,malda college..