Bellatrix Aerospace
Overview
Bellatrix Aerospace is India's leading in-space propulsion company, designing and manufacturing electric and green chemical thrusters for smallsats, large satellites, and orbital transfer vehicles. The product portfolio spans the ARKA Hall-effect electric propulsion family, the RUDRA high-performance green propulsion (HPGP) system (the first Indian non-toxic chemical thruster), microwave-electrothermal thrusters, and the Pushpak OTV — a last-mile satellite delivery platform contracted with NSIL. Revenue comes from propulsion-system sales to Indian and international satellite operators, in-orbit servicing under NSIL/ISRO programs, and engineering services. Bellatrix has flight-qualified both ARKA and RUDRA aboard ISRO's POEM platform across the PSLV-C58 (January 2024) and SpaceX Transporter-16 / POEM-4 (January 2025) missions.
Moat: Bellatrix is the only Indian private company with both electric (Hall-effect) and green chemical propulsion qualified in space, demonstrated on POEM-3 and POEM-4 — a moat no other Indian peer holds. RUDRA is India's first non-toxic hydrazine replacement (HPGP), aligning with the global regulatory shift away from hydrazine and giving Bellatrix an export advantage as European and US satellite operators are forced off legacy fuels. The Pushpak OTV contract with NSIL positions Bellatrix as the sole Indian provider of last-mile orbital delivery — a high-margin service category dominated globally by Impulse Space and D-Orbit.
Business
Primary customers
- Government: ISRO / NSIL (Pushpak OTV, propulsion supply)
- Commercial: Indian satellite manufacturers and smallsat operators
- Commercial: International smallsat constellations (export)
- Defense: DRDO / Indian defense satellite programs
Sectors
Satellite Propulsion · Orbital Transfer Vehicles · Green Chemical Propulsion · Electric Propulsion
Last Funding Round
Key Products
- RUDRA HPGP (high-performance green propulsion)operational
Non-toxic green chemical thruster — first Indian hydrazine-replacement propulsion system. Flight-qualified on POEM-3 (Jan 2024) and upgraded RUDRA 0.3 on POEM-4 (Jan 2025).
First flight: 2024-01-27
- ARKA Hall-effect electric propulsionoperational
Hall-effect thruster for smallsat station-keeping and orbit-raising. Flight-tested aboard POEM-3 in January 2024.
First flight: 2024-01-27
- Microwave-electrothermal thruster (~1N class)development
Microwave plasma thruster for high-thrust satellite maneuvers and small OTV applications.
- Pushpak Orbital Transfer Vehicle (OTV)development
Last-mile satellite delivery vehicle contracted with NSIL — moves customer payloads from drop-off orbit to operational orbit.
Government Contracts
| Agency | Program | Amount | Year | Source |
|---|---|---|---|---|
| NSIL (NewSpace India Limited) | Pushpak Orbital Transfer Vehicle (OTV) integration for NSIL launch missions | Undisclosed | 2024 |
Near-term Catalysts
- 2026-2027
First Pushpak OTV demonstration flight on an NSIL mission
Validates Bellatrix as a full mission-services provider, not only a component supplier — opens last-mile delivery revenue.
- 2026-2027
Series B fundraise (post-pre-Series B $20M close)
Scales manufacturing capacity to meet international export demand for RUDRA and ARKA thrusters.
- 2026
International export contracts for RUDRA HPGP
Hydrazine replacement mandates in Europe and the US create a pull market — first export wins would re-rate Bellatrix as a global propulsion supplier.
Top Risks
- Customer concentration on ISRO / NSIL — diversifying to international commercial customers is mid-execution and unproven at scale.
- Production-scale execution — the company is shifting from prototype to series manufacturing of electric thrusters; yield and unit economics on Hall-effect thrusters are challenging globally.
- Pushpak OTV is unproven in flight; in-space transportation is a capital-intensive category with heavy global competition (Impulse Space, D-Orbit, Momentus).
- Capital intensity — propulsion is hardware-heavy with long development cycles; further funding rounds beyond the 2026 pre-Series B will be needed to fund the OTV.
Recent Milestones
- 2022-06-23
Series A — $8M led by BASF Venture Capital and Inflexor Ventures.
- 2024-01-27
RUDRA green chemical thruster and ARKA Hall-effect electric thruster flight-qualified aboard POEM-3 / PSLV-C58 — first Indian private in-orbit propulsion demonstrations.
- 2024-10-09
Signed contract with NSIL for Pushpak Orbital Transfer Vehicle integration on NSIL launch missions.
- 2025-01-02
Upgraded RUDRA 0.3 HPGP successfully fired in space on POEM-4, launched aboard SpaceX Transporter-16.
- 2026-03-27
Closed $20M Pre-Series B led by Cactus Partners (Hero Investment Office, 35 North Ventures, Indusbridge Ventures joined); first large international commercial customer secured, drove US expansion.
- 2026-04-15
Harbinger satellite launched on SpaceX Transporter-16 — in-orbit demonstration of Bellatrix attitude-control and propulsion subsystems.
Recent News
- 2026-03-15
- Bellatrix Raises $20M For In-Space Propulsion TechPayload Space2026-03-15
- 2025-01-02
What investors should know
Q1What does Bellatrix Aerospace do?⌄
Q2What is Bellatrix's core technology and competitive edge?⌄
Q3How much has Bellatrix raised and who are its investors?⌄
Q4What is Bellatrix's path to revenue and customer mix?⌄
Q5How does Bellatrix benefit from India's IN-SPACe regime?⌄
Q6What are the top risks for Bellatrix investors?⌄
Q7How does Bellatrix compare to Indian and global peers?⌄
Peers
Sources & References
Press Release
- Bellatrix Aerospace · 2025-01-02
Trade Press
- SpaceNews · 2026-03-15(archived)
- Payload Space · 2026-03-15(archived)
- SpaceNews · 2022-06-23(archived)
- Tracxn · 2026-04-01(archived)