The Bharatiya Antariksha Station
The Indian Space Research Organisation (ISRO) is charting a course towards establishing the Bharatiya Antariksha Station (BAS), a modular space station in low-Earth orbit. The project represents a monumental leap from short-duration missions to creating
a sustained human presence in space. According to government plans, the first module is targeted for launch in 2028, with the full station expected to be operational by 2035. Orbiting at an altitude of about 400 kilometres, the station is designed to house three to four astronauts for months at a time, making it India’s permanent laboratory in the sky. This isn't just about planting a flag in orbit; it's the natural and strategic evolution of India's decades-long space programme, building upon the technological foundation laid by the Gaganyaan human spaceflight mission.
More Than a Technological Milestone
While putting a space station in orbit is a profound technological achievement, ISRO and the Indian government have a broader vision for the BAS. It is being explicitly framed as a national asset and a piece of critical scientific infrastructure. The goal is to create an orbital platform that can be used by the nation's scientific community, including universities, research institutions, and even private sector companies. This approach moves the station beyond a purely ISRO-centric project and transforms it into a shared national resource, much like laboratories or supercomputers on the ground. By opening it up to a wider community, India aims to accelerate innovation and give its scientists a unique edge in fields that can only be explored in space.
A Laboratory in Microgravity
The key scientific advantage of a space station is its access to a persistent microgravity environment—the condition of near-weightlessness. On Earth, gravity influences almost every physical and biological process. In space, these constraints vanish, allowing phenomena to unfold in new and often surprising ways. This unique environment is a powerful tool for research. Scientists can grow purer protein crystals for pharmaceutical development, forge advanced metal alloys that are impossible to create on Earth, and study the fundamental mechanics of combustion without the influence of gravity. For India, the BAS will provide a platform for groundbreaking research in materials science, biotechnology, and medicine, potentially leading to innovations that benefit industries and society back home.
The Path to 2035
The road to an operational Bharatiya Antariksha Station by 2035 is a multi-stage marathon. The first major step is the launch of the station's base module, targeted for 2028 on an LVM3 rocket. This initial component will allow ISRO to test essential technologies like life support and docking systems. Between 2028 and 2035, subsequent modules—including a science lab and a core-docking module—will be launched and assembled in orbit. This modular design allows for a phased, methodical construction process. The entire initiative is an extension of the Gaganyaan programme, which is developing the core capabilities for human spaceflight, a necessary prerequisite for building and operating a space station. As India masters long-duration missions, the BAS will serve as a crucial stepping stone for even more ambitious goals, such as a crewed lunar mission planned for 2040.














