ISRO

ISRO
Name	Indian Space Research Organisation
Abbreviation	ISRO
Established	15 August 1969
Headquarters	Bengaluru, Karnataka, India
Primary spaceport	Satish Dhawan Space Centre
Administrator	S. Somanath
Budget	125.43, b

ISRO. The Indian Space Research Organisation is the national space agency of the Republic of India, operating under the Department of Space. Established in 1969, it has grown into one of the world's leading space organizations, renowned for its cost-effective and reliable launch services and ambitious interplanetary missions. ISRO's mandate encompasses satellite design, launch vehicle development, space exploration, and applying space technology for national development.

History

The origins of the Indian space program trace back to the vision of scientist Vikram Sarabhai, considered its founding father. Early experiments, including the launch of the Nike-Apache sounding rocket from Thumba Equatorial Rocket Launching Station in 1963, laid the groundwork. The formation of the Indian National Committee for Space Research (INCOSPAR) was a key step, later succeeded by the establishment of the current organization. Under the leadership of figures like Satish Dhawan, the program achieved its first major milestone with the launch of the Aryabhata satellite in 1975 using a Soviet Kosmos-3M rocket. The successful launch of the SLV-3 in 1980, carrying the Rohini satellite, marked India's entry into the club of nations with indigenous orbital launch capability, a foundational achievement for subsequent programs.

Organization and facilities

The organization is headquartered in Bengaluru and is managed by the Department of Space, which reports directly to the Prime Minister of India. Its major centers include the Vikram Sarabhai Space Centre in Thiruvananthapuram, the lead center for launch vehicle development, and the U R Rao Satellite Centre in Bengaluru, responsible for satellite design and fabrication. Primary launch operations are conducted from the Satish Dhawan Space Centre on Sriharikota island. Other critical facilities include the Liquid Propulsion Systems Centre, the Space Applications Centre in Ahmedabad, and the Indian Deep Space Network with stations at Byalalu, including the giant 32-meter antenna. The Indian Institute of Space Science and Technology serves as its premier training institute.

Launch vehicles

ISRO has developed a family of expendable launch systems. The workhorse Polar Satellite Launch Vehicle (PSLV), known for its high reliability, has launched numerous Indian and international satellites. The more powerful Geosynchronous Satellite Launch Vehicle (GSLV) and its enhanced Mark III variant, now called the LVM3, are capable of carrying heavier payloads to geostationary transfer orbit. The Small Satellite Launch Vehicle (SSLV) was developed for the dedicated commercial launch of small satellites. Development of next-generation systems, including the semi-cryogenic SC120 engine and the reusable Reusable Launch Vehicle – Technology Demonstrator, is ongoing. The Human-rated Launch Vehicle is being developed for the Gaganyaan program.

Satellites and missions

ISRO's satellite fleet includes the Indian Remote Sensing (IRS) series for earth observation and the Indian National Satellite System (INSAT) for telecommunications, broadcasting, and meteorology. Notable science missions include the Chandrayaan-1 lunar orbiter, which confirmed the presence of water molecules on the Moon, and the Mars Orbiter Mission (Mangalyaan), which made India the first Asian nation to reach Martian orbit. The AstroSat space telescope is India's first dedicated multi-wavelength astronomy mission. Recent landmark missions include the Chandrayaan-3 lunar lander and rover, which achieved a soft landing near the lunar south pole, and the Aditya-L1 solar observatory mission to the L1 Lagrange point.

Applications and programs

Space technology is applied across diverse sectors for national development. Satellite communications through the GSAT series support telemedicine, teleeducation, and connectivity in remote areas. Remote sensing data from satellites like Cartosat and Resourcesat is vital for urban planning, agriculture, disaster management, and water resources management. The Indian Regional Navigation Satellite System (IRNSS), operational as NavIC, provides independent positioning services. Major ongoing human spaceflight efforts are centered on the Gaganyaan program, aiming to send Indian astronauts into low Earth orbit. Future exploration plans include the Lunar Polar Exploration Mission in collaboration with JAXA and a mission to Venus.

International cooperation

The organization maintains robust global partnerships. It has launched satellites for numerous countries, including Algeria, Austria, Canada, France, Germany, Israel, Italy, Lithuania, Singapore, and the United Kingdom. It collaborates with agencies like NASA, ESA, Roscosmos, and CNES on various projects, including data sharing, joint research, and instrument hosting. Examples include the NASA-ISRO Synthetic Aperture Radar (NISAR) mission and hosting European instruments on its satellites. It is a member of international bodies like the Committee on Space Research and provides training to personnel from other nations through the United Nations.

Category:Space agencies Category:Government agencies of India Category:Space programme of India