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ISRO Missions

Technology · ISRO मिशन

📋Quick Overview

The Indian Space Research Organisation (ISRO) was established on 15 August 1969 with its headquarters in Bengaluru. Its founding father is Dr. Vikram Sarabhai. ISRO operates under the Department of Space (DOS), directly under the Prime Minister. India's space journey began with the launch of Aryabhata satellite in 1975.

India is the FIRST country to reach Mars orbit in its maiden attempt — Mangalyaan (MOM), 24 Sep 2014

Chandrayaan-3 made India the 4th country to soft-land on Moon and FIRST to land near the South Pole (23 Aug 2023)

📖Major ISRO Missions

MissionYearKey Achievement
Aryabhata1975India's first satellite, launched by Soviet Union
SLV-31980India's first indigenous launch vehicle, carried Rohini satellite
INSAT-1B1983First operational Indian communication satellite
PSLV-C11 (Chandrayaan-1)2008India's first Moon mission, discovered water on Moon
Mangalyaan (MOM)2014Mars Orbiter Mission — first attempt success, cheapest Mars mission ($74M)
PSLV-C372017World record — 104 satellites in single launch
Chandrayaan-22019Orbiter successful, Vikram lander crash-landed
Chandrayaan-32023Successful soft landing near South Pole — Vikram lander + Pragyan rover
Aditya-L12023India's first solar observation mission, placed at L1 Lagrange point
Gaganyaan2025India's first crewed spaceflight mission (planned)

📝ISRO Launch Vehicles

VehicleFull FormUse
SLVSatellite Launch VehicleFirst indigenous rocket (1980)
ASLVAugmented SLVTechnology demonstrator
PSLVPolar SLVWorkhorse — Sun-synchronous orbit, Chandrayaan, MOM
GSLVGeosynchronous SLVHeavy payloads, cryogenic engine
GSLV Mk III (LVM3)Launch Vehicle Mark 3Heaviest — Chandrayaan-2 & 3, Gaganyaan
SSLVSmall SLVSmall satellites, quick turnaround

📝ISRO Centres

  • VSSC (Vikram Sarabhai Space Centre) — Thiruvananthapuram — Rocket development
  • SDSC-SHAR (Satish Dhawan Space Centre) — Sriharikota, Andhra Pradesh — Launch site
  • SAC (Space Applications Centre) — Ahmedabad — Satellite payloads
  • ISAC/URSC — Bengaluru — Satellite design & fabrication
  • ISTRAC — Bengaluru — Satellite tracking and control

📝Memory Tricks

📝Exam Corner — Most Asked Questions

📝Quick Revision — 15 One-Liners