Chirimiri Coalfield
Chirimiri Coalfield is located in Koriya district in the Indian state of Chhattisgarh in the valley of the Hasdeo River , a tributary of the Mahanadi . 
<triplet> Chirimiri Coalfield <subj> India <obj> country <triplet> Koriya district <subj> India <obj> country <triplet> India <subj> Chhattisgarh <obj> contains administrative territorial entity <triplet> state <subj> India <obj> country <triplet> Chhattisgarh <subj> India <obj> country <triplet> Hasdeo River <subj> India <obj> country <subj> Chhattisgarh <obj> located in the administrative territorial entity <triplet> Mahanadi <subj> Chhattisgarh <obj> located in the administrative territorial entity