National Highway 210
| National Highway NH210 in India | |
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| Basic data | |
| Operator: | National Highways Authority of India |
| Overall length: | 160 km |
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National Highway 210 ( NH 210 ) is a main highway in the state of Tamil Nadu in southeast India with a length of 160 kilometers. It begins in Tiruchirappalli (Trichy) on NH 45B and runs via Pudukkottai , Karaikkudi and Devakottai to Ramanathapuram on NH 49 .