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ISRO — Indian Space Research Organisation

India's cost-effective space powerhouse — landing on the Moon's south pole, reaching Mars on its first attempt, and preparing the Gaganyaan crewed programme.

Overview

🇮🇳
India
$1.9B
Budget (2025)
1969
Founded
Active Satellites

ISRO is India's national space agency, renowned worldwide for delivering ambitious missions at a fraction of the cost of Western equivalents. Founded in 1969, ISRO has grown from sounding rocket experiments to operating India's own navigation system (NavIC), remote sensing constellation, communications fleet, and interplanetary probes — all developed domestically.

ISRO's greatest achievement to date is Chandrayaan-3 (August 2023), which made India the fourth country to soft-land on the Moon and the first to land near the lunar south pole. India's Mars Orbiter Mission (2013) reached Mars orbit on its first attempt at a cost of just $74 million — less than the budget of many Hollywood films. The upcoming Gaganyaan programme will make India the fourth nation to independently launch humans into space.

Quick Facts

ParameterDetail
Full NameIndian Space Research Organisation
AbbreviationISRO
CountryIndia
HeadquartersBengaluru, Karnataka, India
Founded1969
HeadS. Somanath (Chairman)
Budget~$1.9B (2025)
Staff~17,000
Crewed CapabilityNo (astronauts fly on partner vehicles)
Websitewww.isro.gov.in

Key Programmes

Chandrayaan Lunar Programme

Chandrayaan-1 (2008) discovered water ice on the Moon. Chandrayaan-3 (2023) achieved India's first soft landing near the lunar south pole. Chandrayaan-4 will attempt a lunar sample return.

Gaganyaan

India's first crewed spaceflight programme. Uncrewed test flights underway, with the first crewed mission planned to carry Indian astronauts (vyomanauts) to low Earth orbit.

Mars Orbiter Mission

Mangalyaan (2013) made India the first Asian nation to reach Mars orbit — on its maiden attempt, at a cost of $74 million.

NavIC Navigation

Navigation with Indian Constellation — India's regional satellite navigation system providing coverage over India and surrounding areas with 7 satellites.

PSLV Workhorse

PSLV has completed 60+ missions with a 98% success rate — one of the most reliable rockets in the world. It launched Chandrayaan-1 and Mars Orbiter Mission.

Commercial Launch Services

ISRO's commercial arm (NSIL/Antrix) launches foreign satellites at highly competitive prices. A single PSLV mission once deployed 104 satellites in one flight (2017).

Launch Infrastructure

ISRO launches from:

SpaceportRole
Satish Dhawan Space CentreIndia's primary launch site at Sriharikota — all PSLV, GSLV and LVM3 missions

Launch Vehicles

VehicleRole
PSLVIndia's reliable workhorse — 60+ missions
LVM3Heavy-lift for GEO and Gaganyaan

Timeline

1969
ISRO established under Vikram Sarabhai's vision
1975
Aryabhata — India's first satellite, launched by the Soviet Union
1980
SLV-3 launches Rohini — India's first indigenous satellite launch
1994
PSLV maiden flight — beginning of India's reliable launch era
2008
Chandrayaan-1 discovers water molecules on the Moon
2013
Mars Orbiter Mission launched — reaches Mars on first attempt
2017
PSLV deploys 104 satellites in a single mission — world record at the time
2023
Chandrayaan-3 lands on the Moon's south pole — India becomes the 4th country to soft-land
💡 Did You Know?
ISRO's Mars Orbiter Mission cost $74 million — less than the production budget of the film Gravity ($100 million) and roughly 10% of NASA's MAVEN Mars orbiter ($671 million).
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ISRO fleet — live snapshot

Satellites operated by Indian Space Research Organisation that are currently tracked in orbit, counted live from the catalogue and attributed by mission/programme. Commercial constellations of the same nation are excluded — these are ISRO's own spacecraft. Figures update automatically.

73
Agency-operated satellites
live from the tracked catalogue
8
NavIC navigation
operational, counted live
$1.9B
Annual budget
2025 fiscal year
#3
Rank by operated fleet
of 14 agencies profiled
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ISRO at a glance

💰$1.9BAnnual budget · 2025
📅1969Founded
🏢BengaluruHeadquarters
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ISRO fleet by orbit

73 operated
  • LEO 23 32%
  • MEO 1 1%
  • GEO 49 67%
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ISRO vs other space agencies

Agency Country Operated sats Flagship Budget Founded
🇨🇳 CNSA China 259 BeiDou navigation $14B 1993
🇷🇺 Roscosmos Russia 235 GLONASS navigation $3.6B 1992
🇮🇳 ISRO you are here India 73 NavIC navigation $1.9B 1969
🇪🇺 ESA Europe (22 states) 55 Galileo navigation €7.8B 1975
🇮🇹 ASI Italy 39 COSMO-SkyMed €1.5B 1988
🇺🇸 NASA United States 34 $25.4B 1958
🇯🇵 JAXA Japan 18 QZSS (Michibiki) $3.2B 2003
🇰🇷 KARI South Korea 11 KOMPSAT (Arirang) $0.7B 1989
🇧🇷 AEB Brazil 9 $0.12B 1994
🇫🇷 CNES France 7 €3.3B 1961
🇵🇰 SUPARCO Pakistan 7 $0.045B 1961
🇨🇦 CSA Canada 5 RADARSAT C$0.43B 1990
🇬🇧 UKSA United Kingdom 3 £0.83B 2010
🇩🇪 DLR Germany 2 €2.6B 1969

Tap a column to sort · "≈" marks an approximate fleet pending live catalogue confirmation · counts are agency-operated satellites only (commercial constellations excluded) · figures update daily.

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