Hellow guys, Welcome to my website, and you are watching विज्ञान के 1000 कठिन प्रश्नों का निचोड़ || 1000 questions science || vigyan 1000 questions science. and this vIdeo is uploaded by GURUJI WORLD EXAM STUDY at 2021-04-04T08:35:06-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.