際際滷shows by User: NiteshKumar90 / http://www.slideshare.net/images/logo.gif 際際滷shows by User: NiteshKumar90 / 際際滷Share feed for 際際滷shows by User: NiteshKumar90 https://cdn.slidesharecdn.com/profile-photo-NiteshKumar90-48x48.jpg?cb=1639897005 I NITESH KUMAR SINGH (COMPUTER TEACHER,GIRLS HIGH SCHOOL BIKRAM PATNA)