Dr Kasturirangan Contributions to Space Science and Public Policy
Source:The Hindu ↗

Why It Matters
Dr. Kasturirangan is a foundational figure in multiple core UPSC syllabus areas: ISRO's operational growth (GS3 Space), the National Education Policy 2020 (GS2 Education), and the Western Ghats conservation debate (GS3 Environment). Understanding his specific contributions ties together historical milestones in these domains.
Summary
The article serves as an obituary and retrospective of former ISRO Chairman Dr. K. Kasturirangan, outlining his transformative contributions to India. During his tenure, ISRO operationalised PSLV and GSLV and expanded into commercial and societal satellite applications, including conceptualising Chandrayaan-1. Additionally, he significantly shaped national public policy through his leadership in drafting the National Education Policy (NEP) 2020 and the highly debated Kasturirangan Committee report on the conservation of the Western Ghats.
Key Points
- Dr. K. Kasturirangan, who served as ISRO Chairman from 1994 to 2003, passed away, leaving a legacy across space technology, education, and environmental policy.
- He guided the Indian space programme from its experimental phase to operationalizing launch vehicles like PSLV and GSLV, and leasing INSAT transponders to INTELSAT.
- He championed the 'Space for Society' vision through mission-specific satellites (EDUSAT, CARTOSAT, RESOURCESAT) and established the National Natural Resource Management System (NNRMS) for last-mile integration.
- He ideated the Chandrayaan-1 mission in 1999, which was later formally announced in 2003.
- Beyond ISRO, he drafted the National Education Policy (NEP) 2020 and authored the landmark Kasturirangan Committee report on the Western Ghats conservation.
Important Terms
National Education Policy (NEP) 2020
India's 2020 framework for education, chaired by Dr. Kasturirangan, replacing the 1986 policy. It introduces a 5+3+3+4 structure, focuses on foundational literacy, and promotes multidisciplinary, flexible learning across all levels.
UPSC context
GS II (Education); tests understanding of policy reforms, social sector management, and the transition toward a knowledge-based economy.
Kasturirangan Committee report
A 2012 High-Level Working Group report recommending that 37% of the Western Ghats be declared an Ecologically Sensitive Area (ESA) to balance environmental protection with sustainable regional development.
UPSC context
GS III (Environment); relevant for biodiversity conservation, federalism conflicts, and balancing ecological preservation with developmental needs.
Polar Satellite Launch Vehicle (PSLV)
ISRO's "workhorse" launch vehicle, a four-stage rocket using alternating solid and liquid fuels. It is primarily used for placing remote-sensing and earth-observation satellites into Sun-Synchronous Polar Orbits.
UPSC context
GS III (Science & Tech); tests knowledge of indigenous launch technology and India's commercial competitiveness in space.
Geosynchronous Satellite Launch Vehicle (GSLV)
A heavy-lift three-stage launch vehicle featuring an indigenous cryogenic upper stage. It is designed to place heavy communication satellites into Geosynchronous Transfer Orbits, ensuring self-reliance in high-orbit launches.
UPSC context
GS III (Science & Tech); critical for understanding cryogenic technology and strategic space infrastructure.
Chandrayaan-1
India's first lunar mission (2008), which successfully orbited the Moon. Its landmark scientific achievement was the definitive detection of water molecules on the lunar surface using the Moon Mineralogy Mapper.
UPSC context
GS III (Science & Tech); highlights achievements in planetary exploration and international scientific collaboration.
EDUSAT
India's first dedicated satellite for the education sector (GSAT-3). Launched in 2004, it was designed to support distance learning and provide interactive classroom environments across the country.
UPSC context
GS II/III; used as an example of technology applications in societal development and education.
ASTROSAT
India's first dedicated multi-wavelength space observatory (2015). It enables simultaneous study of celestial objects in X-ray, optical, and ultraviolet spectral bands using a single satellite.
UPSC context
GS III (Science & Tech); tests knowledge of specialized scientific missions and India's contribution to global astrophysics.
Prelims Trap
"The Kasturirangan Committee recommended declaring the entire Western Ghats as an Ecologically Sensitive Area."
The Madhav Gadgil Committee recommended the entire Western Ghats be an ESA. The Kasturirangan Committee reduced this to only 37% to balance development.
Static Concepts Connected
What are the key differences between PSLV and GSLV?
- Stages: PSLV is a 4-stage vehicle (solid-liquid-solid-liquid); GSLV is a 3-stage vehicle featuring a cryogenic upper stage.
- Payload & Orbit: PSLV mainly delivers earth observation/remote sensing satellites to Sun-Synchronous Orbits. GSLV launches heavier communication satellites into Geosynchronous Transfer Orbits.
- Capability: PSLV is highly reliable for lighter payloads; GSLV provides heavier lift capability utilizing complex cryogenic engine technology.
How are Ecologically Sensitive Areas (ESAs) declared and managed?
- Legal Backing: Declared under the Environment (Protection) Act, 1986, though the Act does not explicitly use the term 'Eco-Sensitive Area/Zone'.
- Objective: Designed to act as a "shock absorber" or transition zone around protected areas or inherently fragile ecosystems like the Western Ghats.
- Restrictions: Typically prohibits mining, quarrying, and highly polluting (red category) industries, while regulating agriculture, tourism, and infrastructure development.
Cross-Topic Patterns
Space Tech for Governance & Resources
Space tech applications (NNRMS, CARTOSAT, RESOURCESAT) frequently appear in Mains GS3 (technology in agriculture, disaster management, and resource planning) and Prelims (satellite matching).
Environment vs. Development Debate
The Gadgil-Kasturirangan transition perfectly illustrates the GS3 dilemma of balancing strict ecological conservation with local livelihood and infrastructure needs.
Expect a 2026 Prelims question comparing Gadgil vs Kasturirangan ESA criteria, or matching ISRO's societal satellites to their end-uses.
Linked PYQs · 4
Linked PYQs · 4
- 2018PrelimsGS1
With reference to India's satellite launch vehicles, consider the following statements: 1. PSLVs launch the satellites useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites. 2. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location on Earth. 3. GSLV Mk III is a four-staged launch vehicle with the first and third stages using solid rocket motors; and the second and fourth stages using liquid rocket engines. Which of the statements given above is/are correct?
- 2020MainsGS2
National Education Policy 2020 is in conformity with the Sustainable Development Goal-4 (2030). It intends to restructure and reorient education system in India. Critically examine the statement.
- 2015MainsGS3
What do you understand by 'Standard Positioning Systems' and 'Precision Positioning Systems' in the GPS era? Discuss the advantages India perceives from its ambitious IRNSS programme employing just seven satellites.
- 2010PrelimsGS1
In the context of space technology, what is “Bhuvan”, recently in the news?