Kopili River
Kopili River ( named after sage Kapila ) is an interstate river in Northeast India that flows through the states of Meghalaya and Assam and is the largest south bank tributary of the Brahmaputra in Assam . 
<triplet> Kopili River <subj> Brahmaputra <obj> mouth of the watercourse <triplet> Meghalaya <subj> Assam <obj> shares border with <triplet> Assam <subj> Meghalaya <obj> shares border with <triplet> Brahmaputra <subj> Kopili River <obj> tributary <subj> Assam <obj> located in the administrative territorial entity