National Highway 20
| National Highway NH20 in India | |
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| Basic data | |
| Operator: | National Highways Authority of India |
| Overall length: | 220 km |
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National Highway 20 ( NH 20 ) is a main highway in the northwest of the state of India with a length of 220 kilometers. It begins in Pathankot in the state of Punjab at NH 1A and after 10 km through this state leads another 210 km through the neighboring state of Himachal Pradesh , where it ends in Mandi at NH 70 .