National Highway Number: 21
National Highway Number 21 Route: Junction with National Highway No. 22 near Chandigarh-Ropar- Bilaspur-Mandi-Kullu-Manali
National Highway Number 21 State through which passing: Chandigarh, Punjab, Himachal Pradesh
National Highway Number 21 Starting From: Chandigarh
National Highway Number 21 Ending at: Manali
Total Length of NH 21 (km): 323
National Highway Number 21 Length passing through State (km):
Chandigarh – 24
Punjab – 67
Himachal Pradesh – 232
Nation Highway Number 21 Map:
Image Source: Wikipedia