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Blog

Latest, India‑focused updates across geology, GIS/RS, surveys & mining

Updated: September 23, 2025 (IST)

NISAR launch and what it means for mapping in India
Earth Observation
July 30, 2025 Team DH Geo Consultancy

NISAR lifts off: dual‑band SAR to track land motion, forests & disasters

NASA and ISRO launched NISAR aboard GSLV‑F16. Its L‑band (NASA) and S‑band (ISRO) radars will revisit most land/ice every ~12 days, enabling deformation monitoring, biomass/forest change, water and disaster intelligence—high‑value layers for WebGIS and planning in India.

ISRO Mission Note
National Geospatial Mission announcement
Policy
March 26, 2025 Editorial

National Geospatial Mission (₹100 Cr): What it means for land records & planning

The Government announced a National Geospatial Mission to build a national geodetic frame, orthorectified imagery, DEM and Geo‑ICT infrastructure—accelerating land‑record modernization, urban planning and infrastructure design. See also DST’s National Geospatial Programme for scope and capacity building.

DST Programme
Draft Civil Drone (Promotion & Regulation) Bill, 2025
Regulation
September 16, 2025 Compliance Team

Draft Civil Drone Bill, 2025: what survey companies must prepare for

MoCA has invited comments on the Draft Civil Drone (Promotion & Regulation) Bill, 2025—proposing stricter compliance for unmanned aircraft operations. Review the draft PDF and align your flight planning, licensing, and data protocols with DGCA’s Drone Rules ecosystem.

Download Draft Bill
NRSC Aerial Services & Digital Mapping
LiDAR & DTM
September 18, 2025 DH LiDAR Team

NRSC 2025 update: large‑scale topo maps & very‑high‑res DTM for floods & cities

NRSC’s Aerial Services continue to generate large‑scale topographic maps and very‑high‑resolution DTMs for flood‑prone rivers and 2D/3D urban mapping—relevant inputs for hydrology, corridor planning, volumes and 3D visualisation.

Service Overview
Groundwater Assessment 2024 highlights
Hydrology
January 6, 2025 Water Resources Unit

GWRA‑2024: recharge up, extraction down—what this means for Gujarat

The national Groundwater Resource Assessment 2024 reports ~446.9 BCM total annual recharge and a lower extraction stage (~60.5%). For projects in Gujarat, integrate CGWB’s 2024 datasets and state fact sheets into aquifer mapping and groundwater balance studies.

CGWB Resources
India critical minerals auction tranche
Mining & Policy
September 15, 2025 Mining Advisory

6th tranche: critical & strategic mineral blocks—what bidders should track

The Ministry of Mines announced the 6th tranche of auctions for exploration licence blocks of critical/strategic minerals. For Gujarat‑based bidders, align baseline geology, ESG and auction documentation early to speed diligence.

Exploration Licence Brief
Gujarat e-auctions information
Gujarat
September 2025 DH Mining Desk

Gujarat e‑auctions: where to track identified blocks & results

For ordinary sand and other minor minerals, monitor the Commissioner of Geology & Mining's auction pages and district notices. CGM's e‑auction page lists mining block disposals and auction events relevant to operators and contractors.

CGM e‑Auction
Forests and Remote Sensing monitoring
Forestry / RS
March 21, 2025 Environmental Team

International Day of Forests 2025: data + community for better outcomes

The 2025 theme highlights forests & food. For forest services work, pair FSI’s ISFR datasets with NDVI‑based health mapping and field verification to prioritise restoration and compliance reporting.

FSI Data & ISFR

Categories

  • Policy & Regulation (3)
  • Earth Observation (1)
  • LiDAR & DTM (1)
  • Hydrology (1)
  • Mining & Auctions (2)
  • Forestry & Ecology (1)

Recent Posts

Drone Bill 2025
Draft Civil Drone Bill, 2025 – key changes
September 16, 2025
NRSC LiDAR/DTM
NRSC aerial mapping update
September 18, 2025
NISAR launch
NISAR launch highlights
July 30, 2025

Tags

NISAR LiDAR GWRA 2024 Critical Minerals Drone Rules WebGIS Geodesy Flood Modelling Auctions FSI

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Geology, surveys & geospatial advisory from Gujarat, India.

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