Other video you may watch : Why there is 110 Dc volt supply of current in Indian Railway's Train : https://youtu.be/3FcHqAJ6sSE Contact : For any query mail us at : contactstudify@gmail.com Studify facts instagram : https://www.instagram.com/studifyfacts/ Studify facts twitter : https://twitter.com/StudifyFacts/ Studify facts facebook page : https://www.facebook.com/Studify-Facts-105996615139355/ Thank you #studyfacts #factswallah #factsshots #amazingfacts #amazingfactsinhindi2021