Essay on ISRO Indian Space Research Organisation in English

ISRO (Indian Space Research Organization) is a public body dedicated to the development of space-based applications, space research and related technologies for the Government of India. ISRO operates under the Space Department, which is overseen by the Prime Minister of India.

Long essay on Indian Space Research Organization In Hindi)

Today, through this essay, we will all learn about the important facts related to this important institution of the Government of India, ISRO.

ISRO and its performance – 1150 word essay


All space missions of the Government of India (Mission of ISRO) are run under ISRO. All space launches and satellites are also tested under ISRO from time to time. ISRO has played an important role in India’s development and in the race of astronomy with other countries. ISRO has made a great contribution not only to our country but also to other countries. Due to its successful missions, ISRO has established its dominance in the field of astronomy worldwide.

Establishment of ISRO (Establishment of ISRO)

After Sputnik, the first satellite that Russia launched with the Soviets in 1957, India’s first Prime Minister Jawaharlal Nehru felt the need for future space programs. In 1961, space research was conducted under the supervision of Homi Bhabha, Chairman, Department of Atomic Energy, followed by the establishment of the “Indian Space Research Committee” in 1962, with Dr. Vikram Sarabhai was appointed.

The foundation stone of the Indian Space Program was laid under the leadership of Dr. Vikram Sarabhai, the father of the Indian Space Program. When the Indian Space Research Organization was established on 15 August 1969, its name was “Indian Space Research Organization (INCOSPAR)”.

The role of ISRO (ISRO role)

The responsibility of organizing space programs in India has been on the shoulders of ISRO since 1962, which ISRO has carried out with utmost sincerity. ISRO is headquartered in Bangalore and the sensors and payloads have been developed at the Space Application Center in Ahmedabad. Reception and processing facilities for remote sensing data are available at the National Remote Sensing Center, Hyderabad.

The UR Rao Satellite Center in Bangalore, formerly the ISRO Satellite Center, designs, assembles, builds and tests satellites. Launch vehicles have been developed to launch satellites at the Vikram Sarabhai Space Center in Thiruvananthapuram. Satellites have been launched from the Satish Dhawan Space Center on Sriharikota Island near Chennai. Arrangements like Master Control for maintenance of Geostationary Satellite Station are at Hassan and Bhopal.

ISRO performance (ISRO performance)

ISRO has developed a number of space systems, including meteorology, telecommunications, television broadcasting and disaster warning systems. The first satellite “Aryabhata” built by ISRO on April 19, 1975 was launched by the Soviet Union. The satellite “Rohini” was launched on July 18, 1980 by India’s first launch vehicle Satellite Launch Vehicle 3. ISRO launched the first INSAT satellite and the first IRS satellite in 1988.

ISRO launched Radar Imaging Satellite-1, RISAT-1 in 2012. ISRO has developed a polar satellite launch vehicle to hold satellites in polar orbit and a geostationary space launch vehicle to place satellites in geostationary orbit. Chandrayaan-1 was launched in 2008 and Chandrayaan-2 in 2019 to observe the moon from ISRO. The successful launch of the Mars Orbiter mission in 2013 brought ISRO worldwide fame.

ISRO’s flagship launch (ISRO’s flagship launch)

On November 21, 1963, ISRO launched the first rocket. The Space Science and Technology Center at Thumba was established in 1965 and the Ugrah Communication System Center at Ahmedabad in 1967. The Leisure Commission and the Leisure Department were established in 1972. Bhaskar-1 to 1. Launched in Bhaskar-2 was launched in 1981. In 1984, Rakesh Sharma became the first Indian astronaut in a joint space mission between India and the Soviet Union. The SROSS-1 satellite was launched in 1987. INSAT-1D was launched in 1990. INSAT-2D was launched in 1997. INSAT-3B was launched in the year 2000 and GSALV D-1 in 2001.

ISRO launch vehicle (ISRO Launch Vehicle)

The Satellite Launch Vehicle Project was started in 1970 under the leadership of APJ Abdul Kalam to launch satellites. The goal of the project was to place a 40 kg payload at an altitude of 400 km, but the first launch of the SLV-3 in August 1979 failed. A few years later, from time to time, ISRO developed several types of launch vehicles, which are as follows-

  • Polar satellite launch vehicle (Polar satellite launch vehicle)

It was first used in 1994, it is a second generation launch vehicle. With its help, from 1994 to 2017, about 257 satellites were launched, including 48 Indian and 209 foreign satellites. After the successful launch of Chandrayaan-1 and Mars Orbiter spacecraft in 2008, PSLV has become more efficient and reliable.

  • Geostationary satellite launch vehicle (Geostationary satellite launch vehicle)

It is also called Geosynchronous Launch Vehicle Mark 2. It was first used in 2001. It is used to hold geostationary orbit at an altitude of 2 tons and 36000 km. A total of 13 launches have been made so far, 4 of which have been successful.

  • Enhanced satellite launch vehicle (Enhanced satellite launch vehicle)

This launch vehicle was used in the 1980s. It was launching 150 kg of satellites. It is a five-stage solid fuel rocket. This launch vehicle is no longer used.

  • Geostationary satellite launch vehicle mark 3 (Geostationary Satellite Launch Vehicle Mark 3)

The capacity of this launch vehicle is double that of Geosynchronous Launch Vehicle Mark 2. It was first used in 2014. With this, Chandrayaan-2 was launched.

ISRO’s upcoming projects (ISRO’s upcoming projects)

In the next few years, ISRO plans to undertake a select few projects, namely Chandrayaan-3, Aditya-1, Indian Venus Orbiter Mission, Mangalyaan-2 and Jupiter Mission. It has been decided to launch Mars-2 in 2024. ISRO is moving towards developing a reusable launch vehicle-technology demonstration (RLV-TD) in the future. It will use wing reusable launch vehicle technology. ISRO is also developing an integrated launch vehicle.


ISRO has achieved a unique position in the world with the successful launch of its space projects. There was a time when India had to reach out to countries like US and Russia to launch its satellites, but today is the day when India itself launches satellites of all countries like US and Russia from its launch vehicle. Along with itself, ISRO has proudly raised the name of India of the Year. It is an honor to be an ISRO scientist today.

Frequently Asked Questions: Frequently Asked Questions

Question 1 – Who founded ISRO and when?

Answer – ISRO was founded on 15 August 1969 by Vikram Sarabhai.

Question 2 – What is the annual budget of ISRO?

Answer – ISRO’s annual budget is around Rs 14 crore.

Question 3 – Where is the headquarters of ISRO?

Answer – ISRO is headquartered in Bangalore, Karnataka.

Question 4 – Who is the current Director of ISRO?

Answer – The current director of ISRO, Dr. K. Sivan (2021).

Question 5 – ISRO falls under which department of Central Government?

Answer – ISRO falls under the Space Department of the Central Government, headed by the Prime Minister of India.

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