Chasnala mining disaster
The Chasnala mining disaster was a disaster that happened on 27 December 1975 in a coal mine in Chasnala near Dhanbad in the Indian state of Jharkhand . 
<triplet> Chasnala mining disaster <subj> Dhanbad <obj> location <subj> India <obj> country <triplet> Chasnala <subj> India <obj> country <subj> Jharkhand <obj> located in the administrative territorial entity <triplet> Dhanbad <subj> India <obj> country <triplet> India <subj> Jharkhand <obj> contains administrative territorial entity <triplet> Jharkhand <subj> India <obj> country