TNPSC Thervupettagam

NHAI Green Cover Index 2025–26

March 29 , 2026 15 hrs 0 min 18 0
  • NHAI released the first National Highways Green Cover Index (NH-GCI) 2025–26 in collaboration with ISRO’s NRSC(National Remote Sensing Centre).
  • The index measures the percentage of green canopy along National Highway stretches using satellite data.
  • It uses high-resolution multispectral imagery from ISRO’s Resourcesat-2/2A (LISS-IV) and Cartosat-2S for validation.
  • The assessment covers around 30,000 km of highways across 24 states under the operation and maintenance phase.
  • Data is published on the Bhuvan GIS platform for transparency and public access.

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