In 2012, a 19-year-old aeronautical engineering student from Coimbatore presented propulsion research at a NASA event. Dr. APJ Abdul Kalam noticed, sought him out for a meeting, and handed him a recommendation letter with one challenge: prove your concept.
That student was Rohan M. Ganapathy. Three years later, he and family friend Yashas Karanam co-founded Bellatrix Aerospace from IISc's incubation lab in Bengaluru. The problem they chose to solve touches every satellite in orbit.
Nearly all satellites run on hydrazine, a propellant that has been standard since the 1960s. It is deeply toxic, carcinogenic, and so hazardous that it requires specialized crews and loading facilities near the launch site. India imports all of it. Nobody was building an alternative.
Bellatrix built two. Rudra is India's first high-performance green propulsion system, delivering hydrazine-equivalent thrust while cutting handling costs by over 60%.
Jal is a microwave plasma thruster that uses water as propellant, which Bellatrix claims is the world's first such system built by a private company. Both have been tested in orbit: Rudra fired on ISRO's POEM-3 in January 2024, and again on POEM-4 in January 2025.
Their third product, Pushpak, is an orbital transfer vehicle the company says can bring satellite deployment costs from $45,000 to $25,000 per kilogram. In October 2024, Bellatrix signed an MoU with ISRO's commercial arm, NewSpace India Limited, to integrate Pushpak into its launch missions. The company has raised $31 million to date, backed by BASF Venture Capital, Inflexor Ventures, and Cactus Partners.
For India, a domestic green propulsion stack means less dependence on imported hydrazine, lower costs for Indian satellite startups, and export-ready technology in a global market actively moving away from toxic fuels.
Kalam asked Rohan to prove his concept. More than a decade later, the proof has been fired in orbit.
@rohanooty@BellatrixAero@YashasKaranam
🚨 BIG BREAKING
Indiaʼs first HYDROGEN-POWERED train SUCCESSFULLY completed its trial run between Delhi and Jind 🔥
— Reached speeds of up to 120 kmph.
— Emergency braking and oscillation performance were SUCCESSFULLY tested.
Excited to introduce BioCompute where we are building at the intersection of the byte, the gene and the atom enabling a transition towards biomolecule driven computation
Backed by @gradcapital and @mercatus we are all set to revolutionise computer architecture 🙌
🚨 UIDAI has asked EC to SHARE data on voters identified as DEAD after SIR.
In Bihar, ~22 lakh voters were identified as dead.
In West Bengal, ~24 lakh names REMOVED after being identified as dead.
=> Over 2 crore Aadhaar numbers of deceased already DEACTIVATED.
#EnteNemom must win!
This is an election for real change, and that change is a #VikasitaNemom.
With a BJP/NDA MLA in Nemom, a BJP/NDA-led Thiruvananthapuram Corporation, and PM @narendramodi ji's support, we will transform Nemom into a model constituency of opportunity, innovation, and world-class living.
Just as we have presented the BJP/NDA's manifesto for a #VikasitaKeralam, we will soon release a clear, focused roadmap for a #VikasitaNemom.
This is the change we need.
Let’s build a #VikasitaNemom together!
Maattam Thudangaam!
#Rajeev4VikasitaNemom #Rajeev4VikasitaKeralam #PoliticsOfPerformance
🚨 HISTORIC! India DEFEAT Switzerland 3-1 in Davis Cup World Group I, securing qualification to next year’s Davis Cup qualifiers 🎾
This is India’s first win in Europe since 1993 🎉
— Chak De Bharat 🇮🇳
🚨 BIG! On Trump’s 50% tariff on India, PM Modi says: "For us, the interest of our farmers is TOP priority. India will NEVER compromise on the interests of farmers, fishermen & dairy farmers."
"I know we'll have to pay a HEAVY price — but I am READY for it. India is ready." 🇮🇳
🚨🇮🇳 INDIA LAUNCHES WORLD’S MOST PRECISE WEATHER MODEL
India is the first in the world to roll out a 6 KM resolution forecast system — delivering hyperlocal, real-time weather updates to every panchayat.
The locals are not at fault, but the SBI employee isn't at fault either.
Art 343 (1) and (2) of the Constitution validate only Hindi and English as the official languages of the GoI. Since SBI is a part of the GoI, it follows the same rules. Therefore, speaking the local language cannot be enforced.
So either the Central govt should change the rules and avoid posting non-native officers to states where language is a significant barrier, or it should organize a basic language course, along with TA/DA, for a month before posting them to such locations.
Placing the onus on central govt employees and harassing them to learn the language on their own is absolutely unfair. While knowing the local language is desirable, it is not mandatory. One should not be punished for that.
Dear Indians,
This has been just 2-3 days of taking down drones by Army’s air defence. And that also just a few hundreds.
Please don’t start with and worry - they will deplete our ammunition.
Stable armies like ours cater for months of operations. There are multiple, MULTIPLE layers of ammunition stores and reserves.
We are pretty rich country. We are not Pakistan. We can buy them by shiploads if we need to. Which there is no need in foreseeable future.
Please don’t panic. Our ammo isn’t planned for weekend fireworks for two days. It’s meant to fight and sustain a war.
We have enough 👍
#OpSindoor
Pakistan fired six ballistic missiles over Punjab, Haryana and tried to attack Delhi. All the six ballistic missiles fired by Pakistan were intercepted by India’s advanced Barak-8 anti missile defence system. Indian Armed Forces responded immediately to teach Pakistan a lesson that it will never forget. Jai Hind 🇮🇳🫡 #IndianArmy
Dear friends, please …
- Follow the instructions issued by the authorities.
- Follow the drills on hearing the siren.
- Don’t believe any information other than that provided by official channels.
- Don’t forward any unverified information.
WE WILL PREVAIL.
Jai Hind 🇮🇳
The claim that French intelligence confirmed to CNN that a Rafale jet was shot down by Pakistan lacks credible evidence. The Indian government has denied this, stating images used as proof are old and unrelated to recent events, such as a 2021 MiG-21 crash. Fact-checks also confirm videos and photos are from past incidents, not involving Rafales.
Pakistan claims to have downed five Indian jets, including Rafales, but there’s no independent verification, and debris shown isn’t conclusively linked to Rafales. Neither French intelligence nor CNN has confirmed the claim, making it likely false, though tensions between India and Pakistan keep the issue contentiousThe claim that French intelligence confirmed to CNN that a Rafale jet was shot down by Pakistan lacks credible evidence. The Indian government has denied this, stating images used as proof are old and unrelated to recent events, such as a 2021 MiG-21 crash. Fact-checks also confirm videos and photos are from past incidents, not involving Rafales.
Pakistan claims to have downed five Indian jets, including Rafales, but there’s no independent verification, and debris shown isn’t conclusively linked to Rafales. Neither French intelligence nor CNN has confirmed the claim, making it likely false, though tensions between India and Pakistan keep the issue contentious.