Hellow guys, Welcome to my website, and you are watching Class 4 Railway Group D | Science | पिछले 2 दो दिन के प्रश्न | जरुर देख कर जाए by Neeraj Sir. and this vIdeo is uploaded by Science Magnet at 2025-12-18T03:18:45-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.