105 one-liner GK questions with answers on ISRO Gk Questions in English, perfect for competitive exams and quick revision (updated as of January 2026):
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- Full form of ISRO? → Indian Space Research Organisation
- When was ISRO established? → 15 August 1969
- Who is known as the Father of Indian Space Programme? → Dr. Vikram Sarabhai
- Headquarters of ISRO is located in? → Bengaluru, Karnataka
- What was ISRO called before 1969? → INCOSPAR (Indian National Committee for Space Research)
- First Indian satellite launched by ISRO? → Aryabhata (19 April 1975)
- From which country was Aryabhata launched? → Soviet Union (Russia)
- India’s first indigenous satellite launch vehicle? → SLV-3
- When did SLV-3 successfully launch Rohini satellite? → 18 July 1980
- ISRO’s most reliable workhorse launch vehicle? → PSLV (Polar Satellite Launch Vehicle)
- Which vehicle is used for heavy communication satellites? → GSLV (Geosynchronous Satellite Launch Vehicle)
- Most powerful ISRO launch vehicle (as of 2026)? → LVM3 (Launch Vehicle Mark-3 / GSLV Mk III)
- Which ISRO vehicle successfully launched Chandrayaan-3? → LVM3
- India’s first lunar mission? → Chandrayaan-1 (2008)
- Which mission discovered water molecules on Moon? → Chandrayaan-1
- Name of Chandrayaan-2 lander (which crashed)? → Vikram
- Chandrayaan-3 successfully landed on Moon in? → 23 August 2023
- India became which country to soft-land near lunar south pole? → Fourth (after US, Russia, China)
- First Indian mission to Mars? → Mangalyaan (Mars Orbiter Mission – 2013)
- Mangalyaan made India which nation to reach Mars in first attempt? → First Asian / Fourth in world
- ISRO’s first solar mission? → Aditya-L1 (launched 2023)
- Aditya-L1 is placed at which point? → L1 Lagrange point
- India’s human spaceflight programme? → Gaganyaan
- First uncrewed Gaganyaan mission with Vyommitra planned around? → 2025-2026
- Current Chairman of ISRO (as of Jan 2026)? → Dr. V. Narayanan
- Who was ISRO Chairman during Chandrayaan-3 success? → S. Somanath
- Longest serving ISRO Chairman? → Prof. Satish Dhawan (12 years)
- Satish Dhawan Space Centre is located at? → Sriharikota, Andhra Pradesh
- Thumba Equatorial Rocket Launching Station is in? → Kerala
- First sounding rocket launched from India? → RH-75 (1967)
- ISRO’s Small Satellite Launch Vehicle is? → SSLV
- Record number of satellites launched by ISRO in one mission (PSLV-C37)? → 104
- Which series of satellites is used for Earth observation? → IRS (Indian Remote Sensing) & Cartosat
- Communication satellites series of ISRO? → INSAT & GSAT
- Navigation satellite system developed by ISRO? → IRNSS / NavIC
- Astrosat is India’s first? → Multi-wavelength space observatory
- ISRO’s first interplanetary mission? → Mars Orbiter Mission (Mangalyaan)
- Which mission made India first nation to enter Mars orbit in maiden attempt? → Mangalyaan
- Vikram Sarabhai Space Centre is located in? → Thiruvananthapuram, Kerala
- ISRO Propulsion Complex is at? → Mahendragiri, Tamil Nadu
- National Remote Sensing Centre (NRSC) is in? → Hyderabad
- Which autonomous body is under Department of Space? → IIST (Indian Institute of Space Science and Technology)
- ISRO comes under which ministry/department? → Department of Space (Prime Minister’s office)
- India’s first student-built satellite? → Kalamsat (launched by ISRO)
- Which vehicle launched 36 OneWeb satellites for India? → LVM3-M2
- ISRO’s reusable launch vehicle technology demonstrator? → RLV-TD
- First Indian in space (not ISRO astronaut)? → Rakesh Sharma (1984, Soviet mission)
- Planned year for first Indian astronaut in Gaganyaan? → 2027
- Vyommitra is? → Half-humanoid robot for Gaganyaan
- Which launch vehicle is also called ‘Baahubali’? → LVM3 / GSLV Mk III
- ISRO’s heaviest communication satellite till date? → CMS-03 (launched by LVM3-M5)
- First successful GSLV Mk III mission carried? → GSAT-19
- Chandrayaan-3 rover name? → Pragyan
- Which mission studied Sun’s corona? → Aditya-L1
- ISRO launched first satellite for which country commercially? → Various (but started with many foreign nanosats)
- Anti-satellite weapon test by ISRO? → Mission Shakti (2019)
- Which satellite is used for disaster management? → RISAT series
- PSLV is mainly used for? → Polar & Sun-synchronous orbits
- GSLV is mainly used for? → Geostationary orbits
- Founder of Physical Research Laboratory (PRL)? → Vikram Sarabhai
- First Indian satellite in geostationary orbit? → INSAT-1B
- ISRO’s quantum computing initiative partner? → Various (but advancing in 2025-26)
- Which centre develops cryogenic engines? → Liquid Propulsion Systems Centre (LPSC)
- ISRO’s first launch pad is at? → Sriharikota
- National Space Day celebrated on? → 23 August (Chandrayaan-3 landing)
- Which mission proved ISRO’s low-cost capability? → Mangalyaan (budget ~$74 million)
- ISRO’s contribution to COVID-19? → Telemedicine & satellite communication support
- New small rocket for dedicated smallsat launches? → SSLV-D3 (operationalized)
- ISRO achieved docking technology in? → SpaDEX mission (2024-25)
- Who succeeded K. Sivan as ISRO Chairman? → S. Somanath
- Who is the 11th Chairman of ISRO? → V. Narayanan (appointed Jan 2025)
- ISRO’s Earth observation satellite for agriculture? → Resourcesat series
- Which satellite provides maritime services? → GSAT-7 / Rukmini
- ISRO’s first private sector collaboration rocket? → Agnikul & Skyroot (approved launches)
- ISRO’s vision for future? → Bharatiya Antariksha Station & manned lunar mission by 2040
- ISRO’s commercial arm is? → Antrix Corporation Limited (now succeeded by NSIL)
- NewSpace India Limited (NSIL) was established in? → 2019
- Which mission demonstrated ISRO’s reusable launch vehicle landing? → RLV-TD LEX (2023-2024)
- ISRO’s first dedicated multi-wavelength space telescope? → Astrosat (2015)
- Name of the cryogenic upper stage used in GSLV? → CUS (Cryogenic Upper Stage)
- Which rocket used indigenous cryogenic engine for the first time successfully? → GSLV-D5 (2014)
- ISRO’s navigation system NavIC consists of how many satellites? → 7 (IRNSS series)
- Full form of IRNSS? → Indian Regional Navigation Satellite System
- Which ISRO satellite provides services to SAARC countries? → GSAT-9 (South Asia Satellite)
- India’s first dedicated military satellite? → GSAT-7 (for Indian Navy)
- Which mission tested crew escape system for Gaganyaan? → TV-D1 (2023)
- ISRO’s Space Docking Experiment mission? → SpaDEX (2024-2025)
- Which ISRO centre is responsible for satellite assembly and integration? → ISITE (ISRO Satellite Integration and Testing Establishment), Bengaluru
- Name of India’s first private rocket launched with ISRO support? → Vikram-S (Skyroot Aerospace, 2022)
- Which organisation launched India’s first private satellite launch vehicle? → Skyroot Aerospace
- ISRO’s lunar sample return mission planned? → Chandrayaan-4 (proposed)
- Venus mission approved by ISRO? → Shukrayaan-1 (planned for 2028-2030)
- Which ISRO satellite monitors greenhouse gases? → SCATSAT & others with specific payloads
- India’s first radar imaging satellite? → RISAT-1 (2012)
- PSLV’s most successful consecutive launches record? → Over 50 successful missions
- Which foreign space agency collaborated with ISRO for NISAR mission? → NASA
- NISAR stands for? → NASA-ISRO Synthetic Aperture Radar
- ISRO’s first private sector-built satellite launched? → Various, including commercial payloads
- Which mission carried the famous “Moon selfie” camera? → Chandrayaan-2 orbiter
- Name of the instrument on Chandrayaan-1 that detected water? → Moon Impact Probe (MIP) & M³ (Moon Mineralogy Mapper)
- ISRO’s high-throughput communication satellite series? → HTS (like GSAT-11, GSAT-29)
- Which ISRO centre develops solid rocket boosters? → Vikram Sarabhai Space Centre (VSSC)
- India’s first space park is located in? → Thiruvananthapuram, Kerala
- Which mission made India the first to reach Martian orbit in first attempt? → Mars Orbiter Mission (MOM)
- Total budget of Mangalyaan mission (approx.)? → ₹450 crore (~$74 million)
isro gk questions and answers
isro gk questions in english with answers
isro gk questions
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