Uttarakhand Tunnel Ops: A Look Back

Nov 12: Tunnel collapses trapping 41 workers inside on day of Diwali

Nov 13: CM Pushkar Singh Dhami reaches tunnel site

Nov 15: Platform prepared for auger machine breaks due to landslide

Nov 15: Protest by workers breaks out at rescue site

Nov 17: Auger machine airlifted from Indore, drilling halts briefly

Nov 19: Union Minister Nitin Gadkari arrives at tunnel rescue site

Nov 21: First visuals of trapped labourers emerge

Nov 25: BSNL sets up landline, relatives talk to trapped workers

Nov 27: Rat-hole mining experts arrive begin the process of manual drilling

Nov 28: Manual drilling continues, rescuers insert pipe upto 52 metres

Nov 28: Workers from Jio assist those involved in vertical drilling