Hellow guys, Welcome to my website, and you are watching Vigyan Ki Duniya (विज्ञान की दुनिया)🌎🌎,#technology #newlnventions #sciencefacts #science #knowledge. and this vIdeo is uploaded by Army Science at 2025-11-18T18:53:11-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.