National Programs

India's Space Program Explained

India's space program runs through ISRO (Chandrayaan, Mangalyaan, PSLV, Gaganyaan) plus a growing military space arm. Known for low-cost missions.

India’s space program is led by the civilian agency ISRO, alongside a smaller, newer military space arm. It has earned international attention by reaching the Moon and Mars on relatively modest budgets. As of 2026, India has landed near the lunar south pole, placed a probe in orbit around Mars on its first attempt, and demonstrated the ability to destroy a satellite. It is also developing a crewed space program.

What most distinguishes India’s program is not any one mission, but how much it achieves for the money. Its signature is doing difficult things at relatively low cost, allowing it to compete in a field dominated by much larger budgets. By that standard, India has become one of the world’s more advanced space powers, with lunar landings, an interplanetary probe, and a domestic satellite-launch industry.

ISRO and India’s Civil Space Program

The Indian Space Research Organisation (ISRO) is the national agency that runs India’s civil space activity. It designs and builds satellites, operates the country’s launch vehicles, and plans the science and exploration missions. It grew from a program that once carried rocket parts on bicycles into one that competes on the global launch market.

ISRO traces its roots to 1962, when physicist Vikram Sarabhai helped establish the Indian National Committee for Space Research under India’s Department of Atomic Energy. The government formally created ISRO on August 15, 1969, then placed it under a new Department of Space three years later to give it dedicated ministry-level oversight. ISRO has been headquartered in Bengaluru since its founding, and its administrative offices there coordinate satellite and launch vehicle centers spread across several other Indian cities.

ISRO’s Budget and Funding

ISRO is funded through India’s Department of Space, which requests and manages ISRO’s annual budget as part of the government’s yearly appropriations process. Parliament approves that budget each year, and it funds satellite and launch vehicle development, ground stations, and science missions like Chandrayaan and Gaganyaan. A smaller share of ISRO’s income comes from commercial launch contracts and satellite services, revenue ISRO reinvests into future missions rather than returning it as profit.

ISRO’s budget has grown substantially over the past decade, tracking a rising launch cadence and an expanding crewed program. India does not publish the same level of itemized public budget detail that NASA does, so precise year-over-year figures are hard to verify from outside ISRO. The clear trend is more missions, more launches, and a program that costs more to run than it did ten years ago, while still staying far cheaper than comparable Western missions.

ISRO earns much of its budget by launching satellites for other countries. Its rockets are cheaper than most competitors, so foreign governments and companies buy rides on them. On one 2017 flight, a single Indian rocket placed more than a hundred satellites into orbit at once, a record at the time. This commercial launch business funds part of the science program.

The PSLV and GSLV Rockets

India flies two main rocket families, the PSLV and the GSLV, and they carry most of what the country launches. The Polar Satellite Launch Vehicle (PSLV) is the reliable workhorse, used for Earth-observation satellites, the Mars mission, and the early Moon probes. Its long record of successful flights made it the rocket of choice for commercial customers.

The Geosynchronous Satellite Launch Vehicle (GSLV) is the heavier lifter, built to place larger communications satellites into high orbit. Its most capable version, sometimes called the GSLV Mark III or LVM3, lofted the Chandrayaan Moon missions and is the intended ride for India’s crewed program. Developing a domestic engine for it took years, which is why India relied on foreign rockets for heavy payloads earlier in its history.

Chandrayaan and the Moon

India’s lunar program, Chandrayaan, reached a milestone in 2023 that no other nation had. The Chandrayaan-3 mission soft-landed near the Moon’s south pole, making India the fourth country to land on the Moon and the first to reach that polar region. The south pole draws interest because it may hold water ice in permanently shadowed craters, a resource for any future base.

The success followed a public failure. The earlier Chandrayaan-2 lander crashed during its 2019 descent, though its orbiter survived and still maps the Moon. India rebuilt the lander design and tried again rather than abandoning the goal. The pattern of a setback followed by a corrected retry runs through several parts of the program.

Mangalyaan and Mars

India reached Mars on its first attempt, a feat no other nation had managed. The Mars Orbiter Mission, known as Mangalyaan, launched in 2013 and entered orbit around Mars in 2014. Reaching Mars is hard; many missions from established programs have failed, so a first-try success drew wide notice.

Mangalyaan also became the emblem of India’s low-cost approach. Its total cost was widely reported as less than the budget of some Hollywood space films, a comparison that stuck. The mission was modest in its instruments, but it proved India could navigate a probe across interplanetary space and insert it into orbit, capabilities only a handful of programs hold.

The Low-Cost Approach

India’s defining feature is doing hard missions cheaply, and the savings are real rather than a slogan. The Mars mission and the Moon landings cost a fraction of comparable Western efforts. This lets India attempt exploration that its budget would otherwise rule out, and it makes the country’s launch services attractive to paying customers.

The cost efficiency comes from a few concrete choices. India uses simpler mission designs, keeps instruments lean, reuses proven hardware instead of developing new systems each time, and benefits from lower domestic engineering and labor costs. The tradeoff is that Indian missions often carry fewer or lighter instruments than a flagship Western probe. A cheaper mission does less science, but India can afford to fly more of them.

Gaganyaan and Crewed Spaceflight

India is building a crewed program called Gaganyaan, aiming to launch its own astronauts into orbit. The plan uses a version of the LVM3 rocket and a new crew capsule, with uncrewed test flights preceding any human launch. As of 2026 the program is in active testing, so a crewed flight remains a stated goal rather than an achievement.

Success would put India in a small club. Only Russia, the United States, and China have launched humans into orbit on their own rockets. India joining would mark a shift from a program known for cheap robots to one that also flies people.

Military Space and the Defence Space Agency

India’s military space effort is younger than its civil program and grew quickly after 2019. That year India set up the Defence Space Agency, a tri-service body meant to coordinate military use of space across the army, navy, and air force. The move followed a recognition that satellites underpin modern communications, navigation, and reconnaissance, and that they could become targets.

The clearest signal of India’s military space intent was Mission Shakti in March 2019. India destroyed one of its own satellites in low orbit with a direct-ascent missile, becoming the fourth nation to demonstrate the ability to destroy a satellite. India chose a low altitude on purpose so most debris would re-enter and burn up quickly, a nod to the debris problem covered in our anti-satellite weapons explainer. For the program India most often measures itself against, see our China space program page and its Tiangong station.

Frequently asked questions

What is India's space program?

India's space program combines civil and military space activity under two separate bodies. ISRO runs the civil side, building satellites and operating the PSLV and GSLV rockets that have carried missions to the Moon and Mars. The Defence Space Agency coordinates military use of space instead. Measured by mission success rather than budget size, India ranks among a small group of countries capable of independent lunar and interplanetary spaceflight.

Who runs India's space program?

India's civil space program is run by the Indian Space Research Organisation (ISRO), the national space agency. It builds and launches satellites, runs the PSLV and GSLV rockets, and flies robotic missions to the Moon and Mars. Military space is coordinated by the Defence Space Agency, a tri-service body set up in 2019.

Who is the father of India's space program?

Vikram Sarabhai is widely credited as the father of India's space program. A physicist who saw the promise of satellite technology for a developing country, he founded the Indian National Committee for Space Research in 1962, laying the groundwork that became ISRO seven years later. Sarabhai died in 1971, before many of the missions his early work made possible, but the program's founding direction still traces back to him.

Has India landed on the Moon?

Yes. India's Chandrayaan-3 mission soft-landed near the lunar south pole in 2023, making India the fourth country to land on the Moon and the first to land in that polar region. An earlier attempt, Chandrayaan-2, crashed its lander in 2019, though its orbiter still operates. India also has a Mars mission, Mangalyaan, which reached orbit in 2014 on the country's first try.

Why is India's space program considered low-cost?

India's missions have reached the Moon and Mars for a fraction of what similar Western missions cost. The Mangalyaan Mars mission is often cited as costing less than some Hollywood space films. The savings come from simpler designs, lower domestic labor and engineering costs, and reusing proven hardware rather than developing new systems for each mission. This cost efficiency is a defining feature of ISRO.

Does India have anti-satellite weapons?

Yes. In March 2019 India destroyed one of its own satellites in low orbit with a direct-ascent missile, in a test called Mission Shakti. This made India the fourth country, after the United States, Russia, and China, to demonstrate the ability to destroy a satellite. India chose a low altitude so most debris would decay quickly, though some fragments still reached higher orbits.

Will India send astronauts to space?

India is developing a crewed program called Gaganyaan, which aims to launch Indian astronauts into orbit on an Indian rocket. As of 2026 this is a stated goal in active testing, not a completed flight. If it succeeds, India would become the fourth nation to launch humans into orbit on its own, after Russia, the United States, and China.