Uttarakhand Uttarkashi Silkyara Tunnel Collapse | Rat Hole Mining Rescue | How, Why it Happened

In this video, we'll learn How did the Uttarkashi Uttarakhand tunnel Silkyara tunnel collapse, how were the workers rescued, what is rat hole mining. #silkyaratunnelcollapse #ratholemining #uttarakhand #uttarkashi Podcast available on:- Spotify:- Google Podcast:- YouTube:- Instagram:- Facebook:- Telegram:- Quora:- Koo:- Hindi Channel -- Geography playlist -- Economy playlist -- Current Affairs playlist -- Indian history playlist -- Govt of India schemes playlist -- Map based learning -- Climatology playlist -- Previous year solved question paper analysis -- Environment & Ecology playlist -- International relations playlist -- Check the other playlists of NCERT Geography videos Class 6 - Class 7 - Class 8 - Class 9 - Class 10 - Class 11 - Class 11 (Part 2) - Class 12 -