/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: arunkumarsingh50702 https://cdn.slidesharecdn.com/profile-photo-arunkumarsingh50702-48x48.jpg?cb=1675918053 I did M.Tech in Mining from IIT, Kharagpur in the year 1996. Presently, I am working in Central Institute of Mining and Fuel Research, Dhanbad, Jharkhand.