Old numbering of road in India
National Highway 83 (NH 83) was a former National Highway in India entirely within the state of Bihar. NH 83 linked state capital, Patna (of Bihar) to Dobhi on former National Highway 2 (new NH 19) and passed through Jehanabad, Gaya and Bodhgaya. The total length of NH 83 was about .
 After renumbering of national highways, new National Highway 83 is now located in the state of Tamil Nadu.
References.
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