In a significant development in the ongoing rescue operation at Uttarkashi's tunnel, officials from the National Highways and Infrastructure Development Corporation Limited (NHIDCL) on Monday said that vertical drilling reached a depth of 19.2 meters. . br br #UttarkashiRecue #UttarkashiTunnel #Uttarakhand #Uttarkashi #PushkarSinghDhami #PMModi #Modi #India #UttarakhandNews #Dehradun #OneIndia #OneindiaNewsbr ~PR.151~ED.102~HT.