India’s first private orbital rocket Vikram-1 set for lift-off
Skyroot Aerospace's Vikram-1, described as India's first privately developed orbital launch vehicle, is set for its maiden flight, designated Mission Aagaman, from the Satish Dhawan Space Centre (SDSC), Sriharikota
The flight sequence has 14 phases from lift-off to orbit injection, with a total flight duration of 15 minutes 46 seconds
The mission will carry multiple customer payloads — including Skyroot's own SCOPE satellite, a technology demonstrator from a German company, an Indian startup's SOLARAS satellite, and a debris-capture robotic arm from another Indian company — into low earth orbit at an altitude of around 450 km
If successful, it will be the first time a wholly privately developed Indian launch vehicle has placed a payload in orbit
IN-SPACe and the Opening of India's Space Sector to Private Players
The Indian National Space Promotion and Authorisation Centre (IN-SPACe) is a single-window, independent nodal agency under the Department of Space, established following the Union Cabinet's June 2020 decision to open up the space sector to private participation across the entire value chain — launch vehicles, satellites, and space-based services.
Key Details
- IN-SPACe promotes, authorises, and supervises the space activities of Non-Government Entities (NGEs); it also facilitates sharing of ISRO infrastructure and hand-holds private industry through its Promotion, Technical, and Authorisation directorates
- It functions as the interface between ISRO/Department of Space and private players, distinct from NewSpace India Limited (NSIL), the PSU that commercially markets ISRO-developed technology and builds/leases operational launch vehicles like PSLV
- Skyroot Aerospace, founded in 2018 by former ISRO scientists Pawan Kumar Chandana and Naga Bharath Daka, became the first private Indian company to launch a rocket from Indian soil with the suborbital Vikram-S (Mission Prarambh) on 18 November 2022
- In May 2026, Skyroot crossed a valuation of over USD 1.1 billion following a funding round, making it India's first space-tech unicorn
Vikram-1's orbital attempt is the practical culmination of the IN-SPACe reforms — testing whether a private Indian company can independently execute the full space launch value chain from design through orbital insertion, six years after the sector was opened.
Launch Vehicle Design — Solid vs Liquid Propulsion Staging
Vikram-1 is a small-lift orbital launch vehicle built around a multi-stage design combining solid and liquid propulsion, a classic configuration choice that trades off cost, control precision, and payload capacity.
Key Details
- Vikram-1 uses solid-propellant stages for the initial high-thrust boost phases and a liquid-propellant "kick stage" for the final orbital insertion and precision manoeuvring — solid stages are simpler and cheaper but harder to throttle, while a liquid upper stage allows fine control needed to place payloads accurately into orbit
- The vehicle is designed to carry payloads of up to around 480 kg to low earth orbit, positioning it in the small-satellite launch vehicle category, comparable in class purpose (though not scale) to ISRO's own Small Satellite Launch Vehicle (SSLV)
- Vikram-1 uses an all-carbon composite airframe and partially 3D-printed engines — materials and manufacturing choices aimed at reducing weight and production time/cost compared to traditional metal-fabricated rockets
- The vehicle's stages are named after Dr. A.P.J. Abdul Kalam, reflecting a common practice of naming Indian space hardware after pioneering scientists
The 14-phase, under-16-minute flight sequence described for Mission Aagaman reflects this staged solid-to-liquid design, where each phase (ignition, separation, fairing jettison, kick-stage burn, orbital injection) must execute in sequence for the payloads to reach their target 450 km orbit.
India's Small Satellite Launch Market and Global Positioning
The global demand for dedicated small-satellite launches has grown alongside the proliferation of small satellite constellations for communication, earth observation, and technology demonstration — a market India's private space sector is now positioning itself to serve alongside government vehicles like the SSLV.
Key Details
- ISRO's own SSLV, developed for the same small-satellite market, is designed to carry payloads up to 500 kg to low earth orbit, illustrating the government-private overlap in this launch class
- A successful Vikram-1 orbital flight would make Skyroot only the second entity in India (after ISRO/NSIL) to place a payload in orbit using an Indian-built launch vehicle, and the first private one
- Private orbital launch capability reduces dependence on booking limited slots on government vehicles for domestic startups and research payloads, a recurring bottleneck previously cited by Indian small-satellite companies
- Global comparators for this "private orbital-capable small launcher" category include companies such as Rocket Lab (New Zealand/US) with its Electron vehicle
Vikram-1's success or failure will be read as a benchmark of whether India's six-year-old private space liberalisation has produced a company capable of competing internationally in the dedicated small-satellite launch segment.
- Launch vehicle: Vikram-1, built by Skyroot Aerospace; mission name: Mission Aagaman
- Launch site: First Launch Complex, Satish Dhawan Space Centre, Sriharikota
- Flight sequence: 14 phases, total duration 15 minutes 46 seconds, lift-off to orbit injection
- Target orbit: low earth orbit, approximately 450 km (280 miles) altitude
- Payload capacity: up to approximately 480 kg to low earth orbit
- Skyroot Aerospace founded: 2018, by Pawan Kumar Chandana and Naga Bharath Daka (ex-ISRO scientists)
- Skyroot's earlier milestone: Vikram-S suborbital launch (Mission Prarambh), 18 November 2022 — first private Indian rocket launch from Indian soil
- IN-SPACe established: following the Union Cabinet decision of June 2020 to open the space sector to private participation