/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: santoshtiwari7796 https://cdn.slidesharecdn.com/profile-photo-santoshtiwari7796-48x48.jpg?cb=1523540724 IN AM MSc (CHEMISTRY), Ph.D. (CHEMISTRY). AT PRESENT I AM WORKING IN DGQA, KOLKATA. I HAD ALSO WORKED AS SC-'B'[ IN CGWB BHUBANESHWAR