| Nambi Narayanan joined ISRO in 1966. |
| In the early 1970s, he invented liquid fuel rocket technology for India's future civilian space programs. |
| His work was supported by U.R. Rao and ISRO Chairman Satish Dhawan, leading to the development of liquid propellant motors. |
| Nambi was in charge of ISRO's cryogenics division. |
| He collaborated with prominent Indian scientists like Satish Dhawan, Vikram Sarabhai, and Dr APJ Abdul Kalam during his 35 years at ISRO. |
| He faced false charges and threats from Intelligence Bureau Officers due to an espionage case. |
| Nambi and another scientist were accused of transferring ISRO's secrets for money. |
| Despite not receiving support from ISRO during the legal proceedings, CBI dismissed all charges against him in 1996. |
| He was acquitted by the Supreme Court of India in 1998. |
| After being cleared of all charges, Nambi sought compensation for his suffering and demanded accountability from the authorities. |
| Nambi revealed instances of mental and physical abuse during his ordeal. |
| In 2012, the High Court directed Kerala to pay him ₹10 lakhs, which led to another legal battle. |
| His autobiography detailing the espionage case was released in 2017. |
| In 2018, the Supreme Court acknowledged the harm to Nambi's reputation and ordered compensation from the officials involved. |
| Nambi shared the impact of the case on his family and society's perception of him. |
| He fought for justice for two decades and was eventually awarded ₹75 lakhs in compensation. |
| R. Madhavan portrayed Nambi in the film "Rocketry: The Nambi Effect," released in 2022. |
| In 2019, Nambi Narayanan was honored with the Padma Bhushan. |
