ISRO: India’s Journey to the Stars

Siddhesh Shahu
5 min readAug 28, 2024

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India, with its rich history of science and innovation, has left an indelible mark on the field of space exploration through the Indian Space Research Organisation (ISRO). Over the past five decades, ISRO has emerged as a formidable force, achieving remarkable feats in space technology, satellite development, and interplanetary missions. This article delves into the story of ISRO — its humble beginnings, significant achievements, and the future roadmap for India’s space ambitions.

The Genesis of ISRO

ISRO was founded in 1969, under the guidance of Dr. Vikram Sarabhai, often referred to as the father of the Indian space program. With a vision to harness space technology for national development, Sarabhai believed that a developing nation like India could leverage its space capabilities to address socio-economic challenges. This led to the establishment of the Indian National Committee for Space Research (INCOSPAR) in 1962, which eventually evolved into ISRO.

Dr. Vikram Sarabhai

ISRO’s first major milestone came with the launch of its first satellite, Aryabhata, in 1975. Named after the ancient Indian mathematician, Aryabhata was built in India and launched by the Soviet Union. This event marked India’s entry into the space age.

Aryabhata Satellite

Major Achievements of ISRO

Over the years, ISRO has consistently punched above its weight, achieving numerous milestones despite its relatively modest budget compared to other space-faring nations. Here are some of ISRO’s most notable accomplishments:

  1. Launch Vehicles: ISRO developed a series of launch vehicles to place satellites into various orbits. The Polar Satellite Launch Vehicle (PSLV) became a reliable workhorse, with over 50 successful missions. The Geosynchronous Satellite Launch Vehicle (GSLV) enabled ISRO to launch heavier payloads into higher orbits. The GSLV Mk III, also known as LVM3, is ISRO’s heaviest rocket, capable of carrying payloads up to 10 tons to low Earth orbit.
  2. Chandrayaan Missions: India’s first lunar mission, Chandrayaan-1, launched in 2008, discovered water molecules on the moon’s surface, a significant contribution to lunar science. Chandrayaan-2, launched in 2019, aimed to further explore the moon’s south pole, although its lander, Vikram, faced challenges during the final stages of descent. Nevertheless, the mission’s orbiter continues to provide valuable data.
  3. Mangalyaan (Mars Orbiter Mission): In 2014, ISRO achieved global recognition by becoming the first space agency to reach Mars on its maiden attempt. Mangalyaan, or the Mars Orbiter Mission (MOM), showcased India’s ability to conduct interplanetary missions on a shoestring budget. It remains one of the most cost-effective Mars missions ever, with a budget of just $74 million.
  4. Navigational Satellites (NavIC): ISRO developed the Indian Regional Navigation Satellite System (IRNSS), or NavIC, to provide accurate position information services to users in India and the surrounding region. NavIC is India’s answer to the U.S. GPS, providing navigation services independently.
  5. GSAT and Communication Satellites: ISRO has launched a series of communication satellites, such as the GSAT series, to enhance telecommunications, broadcasting, and broadband services across the country. These satellites have played a critical role in bridging the digital divide in India.
  6. PSLV-C37 Record: In 2017, ISRO set a world record by launching 104 satellites in a single mission using the PSLV-C37. This achievement highlighted India’s growing prowess in satellite deployment and attracted global attention to ISRO’s commercial satellite launch services.

The Vision for the Future

Looking ahead, ISRO has an ambitious roadmap for the future, focusing on new frontiers in space exploration and technology:

  1. Gaganyaan Mission: One of ISRO’s most anticipated projects is the Gaganyaan mission, which aims to send Indian astronauts to space. Set to launch in the coming years, this mission will make India the fourth country in the world to achieve human spaceflight capabilities.
  2. Aditya-L1 Mission: ISRO plans to launch the Aditya-L1 mission to study the Sun. This solar observatory mission will enhance our understanding of the Sun’s outermost layer, the corona, and its impact on space weather.
  3. Moon and Beyond: After Chandrayaan-2, ISRO is preparing for Chandrayaan-3, focusing on a lander and rover to continue its exploration of the lunar surface. Additionally, the organization is considering missions to asteroids, Venus, and other celestial bodies, aiming to expand India’s interplanetary footprint.
  4. Space Station: ISRO has expressed its intention to build a space station by the end of this decade. This ambitious project will provide a platform for microgravity experiments, space tourism, and international collaboration.
  5. Collaboration and Commercial Ventures: ISRO is increasingly partnering with global space agencies and private players to develop new technologies and foster a vibrant space ecosystem in India. The creation of NewSpace India Limited (NSIL) and the Indian National Space Promotion and Authorization Center (IN-SPACe) has opened up new opportunities for the private sector in the space domain.

ISRO’s Impact on India and the World

ISRO’s achievements have had a profound impact on India and the world. Domestically, its satellite services have transformed communication, weather forecasting, disaster management, agriculture, and navigation. Globally, ISRO has positioned itself as a cost-effective and reliable player in the satellite launch market, offering competitive prices to international clients.

Moreover, ISRO has inspired millions of Indians, fostering a culture of scientific curiosity and innovation. It has demonstrated that space exploration is not the exclusive domain of a few nations but is achievable by any country with determination, vision, and ingenuity.

Conclusion

ISRO’s journey from a small research organization to a leading space agency is a testament to India’s scientific prowess, innovation, and commitment to pushing the boundaries of human knowledge. With its eyes set on new horizons, ISRO continues to inspire a nation and the world, proving that the sky is not the limit — it’s just the beginning.

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