IndiGo Flight Makes Precautionary Landing In Delhi After Mid-Air Technical Snag
IndiGo flight 6E 579 made a precautionary landing in Delhi after a mid-air technical issue. All 161 passengers are safe, officials confirmed.
Uttarakhand tunnel collapse: An explanation of the most recent technical issue with auger machine drilling
Update on the collapse of the Uttarakhand tunnel: Drilling friction-induced compression required the removal of a 2-meter section of the inserted pipe.





