My name is Sujoy Mitra. Welcome to my channel Let's Know Everything.This is an educational channel and I upload gk question answer videos in this channel on Science, Indian History, World History, Indian Geography, World Geography, Sports, Awards and Honours, Indian Polity and Constitution, and also Interesting gk question answer video in English for all Competitive and Govt. Service exams like SSC, SSC CGL, UPSC, RAILWAY, BANK, POST OFFICE, LIC, PSC, IAS, IPS, etc. If you're preparing for these exams...then this channel is made only for you. So, watch the videos on my channel and get ready yourself for all competitive exams.