
Nishthavaan
7.5K posts














Tejas Mk2 update: ✅ Taxi trials imminent ✅ CEMILAC clearance process underway ✅ 100% F414 ToT negotiations concluded — April 2026 The airframe is nearly flight-ready. The engine IP is being locked in. India is building the whole stack now. #TejasM2 #MakeInIndia #IndianAirForce #Atmanirbhar #DefenceIndia



In modern schools, students often struggle with (-1) X (-1) = 1 cos they try to visualize "negative one groups of negative one," which is a mental knot. The West spent centuries calling negative numbers absurd/the Devil's work, an Indian genius named Brahmagupta had already solved the logic in 628 CE (I have already written about this in my other post). He saw math not as just numbers but as Karma. In the 1600s, even west giants like Descartes were terrified of negative roots. They could not visualize a negative apple. But in ancient India, math was built for trade. Brahmagupta used 2 powerful terms: Dhana (Fortune/Asset), Rina (Debt/Negative). Most teachers try to explain multiplication as repeated addition. But how do you add a negative group of a negative? It is a mental dead end. Brahmagupta used Action-State Duality. Imagine our bank balance: The state: A negative number (-) is a Debt, a hole in our pocket. The Operator: Multiplying by a negative (-) is the Action of reversing/canceling. Now, do the math: If we cancel (-) a debt (-)... what are we left with? Exactly, a fortune(+). By "negating a negation," we create a presence. Brahmagupta coded this as: "Rinayoh rina-ghane dhanam"(The product of two debts is a fortune). He realized that the removal of a lack is mathematically identical to gaining an asset. This looks like a abstract philosophy but it was Vector Logic. Brahmagupta treated Zero (Shunya) as a bridge. Multiplying by a positive preserves our direction. Multiplying by a negative is a 180 degrees rotation. Rotate a "Debt" by 180 degrees, & we land squarely back in "Wealth." While Europe was still debating if negative numbers were real, Indian merchants were using this logic to calculate complex interest on loans. Brahmagupta’s work eventually traveled to Baghdad, then to Europe, changing the world forever. Next time you solve for x, remember: you are using 1400 yr old Indian banking logic.



A senior official once noted that Russia’s eagerness to offer Transfer of Technology (ToT) to Indian Public Sector Undertakings (PSUs) stems from a strategic calculation regarding reverse engineering. According to this view, Moscow provides these transfers with the confidence that Indian entities struggle to effectively reverse-engineer complex Russian systems or develop indigenous derivatives from them. Essentially, the Indian PSU ecosystem is "safe" partner that will remain within the licensed framework.


Say whatever you want about the Chinese, but you can’t deny the fact that they brought flankers to their maximum potential


Chronic delays in indigenous trainer #aircraft have disrupted the IAF’s training pipeline, increasing reliance on imports and highlighting gaps in foundational capacity within India’s #DefenceAviation and #MilitaryTraining ecosystem: Arjun Subramaniam or-f.org/38192















