/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: koushikguha5 https://cdn.slidesharecdn.com/profile-photo-koushikguha5-48x48.jpg?cb=1523635320 EVERY ONE HAS A 'BEST FRIEND DURING EACH STAGE OF LIFE, BUT ONLY LUCKY ONES HAVE THE 'SAME FRIEND' IN ALL STAGES OF LIFE.................THAT'S ME. Assistant professor in Dept. of Electronics and Communication in National Institute of Technology Silchar, Assam