Bharat Rakshak

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^^^ No idea what happened. They wanted it to haul premier trains, Shatabdi, Duronto and Rajdhani. In fact the news of this dates from 2019. Maybe implementation of VB type traction may have given pause to IR, going the train set route in the future.

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Just when I thought that FINALLY Tata Projects had gotten their act together on the much delayed 102km WDFC section from Vaitarna to JNPT, disaster has again struck, with poor project management. I am not sure what ails this Tata Company. 14 pillars of a ramp connecting WDFC to IR at Kharbao where t...

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xposting from the Econ thread: Does anyone know why the GDP data (Annexure B ) shows a 1.1% growth in rail freight net tonne-km in 2023-24 and a -0.01% in 2024-25 ? How much is this figure dependent on coal movement and to why extent do or don't the DFCs help here ? Non coal freight has been stagna...

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Gulermak is a Turkish construction company with a large footprint in India in the Metro tunneling business. I was wondering why there was no oversight on them as soon as Sindoor started and in fact remarked to several that there will be an issue. Now comes this news that the Gulermak officials have ...

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My earliest memory of war is the Liberation of Goa 1961. After that I remember all wars in great detail. I remember listening to Nehru on the radio in his broadcast to the nation in 1962 essentially saying Assam is lost with the fall of Tezpur imminent. The 1965 and 1971 wars are full of memories an...

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There is a fine story about Chaklala airfield from 1971. Brigadier General Chuck Yeager is a very famous cult figure of the US Air Force. He broke the sound barrier and every fighter pilot in the US aspired to be like him. They even made a famous movie about him based on a book by Tom Wolfe. https:/...

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Nur Khan airbase destroyed video https://x.com/i/status/1921025561624805804 https://pbs.twimg.com/media/GqvUalrakAApuge?format=jpg&name=small First video is Rahim Yar Khan I think not Nur Khan. Chaklala as I have called it since 1960 or Nur Khan as it is known today after AM Nur Khan, is in a v...

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Operation Sindoor is unique in the sense it has been prosecuted with a CDS in charge to advise the political establishment for the first time in the history of modern India. How did this work out? Furthermore there was already a process of transitioning to theater commands. There was a Western theat...

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Here is the published version of the paper in Inventiones Mathematicae on the resolution of the Nusselt number conjecture at high Prandtl values. Springer Verlag has made a tweet about the paper on X and also on Facebook. Here: https://www.facebook.com/SpringerMath/posts/-recently-accepted-by-invent...

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These are some notes written by me for colleagues who were teaching an undergraduate course on the History of Mathematics. These notes supplemented the part on the contributions of Hindu mathematicians of antiquity. This is the first part of my notes. It deals with the motivations from Indian music ...

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The resolution of the conjecture treated in the linked paper took us 10 years to prove, persistence and doggedness. The proof of the conjecture takes close to 80 pages as you can see. It is a basic and classical question we resolved. Take a function on the interval [-1,1]. Expand it as you do Fourie...

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My Work on Invisibility and Stealth and Visibility About 30 years ago I wrote a fundamental paper on Impedance Computed Tomography which had implications for Stealth. To make the paper and its main theorem and construction of scattering solutions more accessible to everyone here, I have typed in a ...

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@Zynda Its true that SMVT terminal is paan stained and dirty. It has created a big issue on the Internet. Kannadigas are making unseemly comments that this is due to Biharis and Up Bhaiyyas who are "subhuman" and pay zero taxes while Karnataka contributes much more and these individuals ar...

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Again I want to state that ALL the people who post on Physics thread, Education thread and the posters on Mathematics are all charlatans and Internet personalities, throwing names that they know X, Y and Z when in fact they are zeros. You want to know the India story, the French story the Israeli st...

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I have scanned ,my correspondence with CS Seshadri a Padma Bhushan and the preminent Indian mathematician along with MS Narasimhan both of whom I knew very well. Seshadri tried on multiple occasions to move me to India and so too did Narasimhan and Kulkarni in leadership roles at leading DAE(Departm...

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Three Numbers in Fluid mechanics and Conjecture 1 There are three important numbers in Fluid Mechanics. The first one is the Prandtl number . This number was discovered by Ludwig Prandtl. When fluid flows over a wing of an aircraft. The layer in contact with the wing of an aircraft say is at rest. ...

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Ravi S. Kulkarni is a distinguished mathematician and my friend. https://en.wikipedia.org/wiki/Ravindra_Shripad_Kulkarni At a late stage in his career after professorships at Columbia University, Indiana Univeristy and Graduate Center CUNY(City University of New York) he was offered the directorship...

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Conjecture 2: The paper (the conjecture is due to C. Fefferman (Princeton) and ST Yau(Harvard)) https://drive.google.com/file/d/1Q7G1tziPjtQjKecGrNxuaRESD6AKY_2R/view?usp=drive_link Letter from ST Yau: https://drive.google.com/file/d/1Icbii59Z8ip62DHKVvyHUAR679qUa_NQ/view?usp=drive_link The result i...

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https://www.quantamagazine.org/mathematicians-uncover-a-new-way-to-count-prime-numbers-20241211/ That is very nice. Maybe Goldbach conjecture can be resolved as well using this method. Gower's norm seems to be a nice tool in numerical analysis as well. I am going to study that. Are there people her...

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Conjecture 1: I have resolved a 90 year old conjecture in Fluid Dynamics, Aerospace engineering, Mathematical Physics, Physics and Mechanical engineering going back to Lord Rayleigh, Ludwig Prandtl(the father of modern Aerodynamics) and Wilhelm Nusselt the father of Heat and Mass Transfer. Lots of ...

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Detection of Submarines and Evading Detection--- A Primer for Fanboyz I thought I would write some sort of primer for the fanboyz here on various issues that go into detection of submarines. Later if I feel like it, I will give you a full fledged treatment of invisibility of aircraft, stealth and e...

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When India was in bed with the CIA Nowadays the Internet is full of morons who know very little about anything and worse these morons have their own channel where they exhibit their ignorance. Charlatans all. Here is a story. On June 3rd, 1963 the Indian President Sarvepalli Radhakrishnan, more abo...

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Propeller Design for Submarines Design of propellers for submarines especially SSBNs and SSKs is highly non-trivial. I shall try to explain in this very short note. Indeed the first factor is that the propeller must satisfy various hydrodynamic characteristics to effectively convey the propulsive f...

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Pogo Oscillations in Human Spaceflight In this short note I want to broach the subject of pogo oscillations. Why they arise and how they plagued early human spaceflight almost preventing the US mission to the Moon. They again appeared in some Shuttle Missions and can appear again when countries lik...

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Then of course with getting too close to people you run the issue of such problems as stated below: https://www.cnn.com/2024/10/19/politics/us-israel-iran-intelligence-documents/index.html So fine for fanboyz here to post all sorts of pics of those "joint exercises", but remember they are ...

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India for many years since 1947 was only focused on its backyard, so the intelligence gathering only was limited to Pakistan, the other neighbors and China. It is only in the last 5 years that other countries have entered the ambit of India in a major way where it becomes imperative to know and gath...

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^^^ Hindustan Times is the outlet in India of what the Russians want Indians to hear. The "leaks" in this newspaper is thus also intelligence as to how the Russians want the Indians to think. In this game always remember there are no friends and only interests and all powers will play to m...

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https://www.youtube.com/watch?v=dWFg3X2FmRg Sgt. Tiger Thyagarajan KIA over France, a pilot with 263 squadron appears briefly in this video. His story and how his grave was located is in in this BR archives. He was killed on Sept 25, 1944, the day Paris was liberated. He was from Pondicherry and his...

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Another derailment on SR, Mysore-Darbangha express. Passenger train got permission to go on the mainline. Instead it got diverted to the loop line at 75kmph and rammed a stationary freight. Happened at Kavaraipettai. RaGa and other opposition leaders are making noise. Kavaraipettai is 40km north of ...

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Another derailment attempt last night. A whole load of soil dumped on the tracks at Rae Bareli. Loco pilot of train 05251 saw it and stopped the train and averted an accident. Encroachment along tracks has been addressed by Yogi at Kanpur by demolishment of structures.

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Yes it was already known that the coaches will be pressurized. Till before the pandemic my family took hikes in the Himalayas of about 80km almost 80% of it above 11,000 feet. Even going up to Camp 2, at many of the Gangotri group of peaks. Valley of flowers is for example a 23 km hike to Ghangharia...

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The Z Morh tunnel a crucial tunnel connecting Kargil and on to Leh was supposed to have a formal inauguration Sept 15. Nothing more has been heard possibly due to JK elections and some code of conduct. Z Morh had a “soft opening” in Feb 2024. Apparently the contractor has written to the Govt. advisi...

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Progress Report on the Bhanupali---Bilaspur--Beri--Leh Strategic Railway Line Not much has been heard in the news about the Bilaspur--Bhanupali--Beri railway line and onwards to Leh itself a challenging project with the line climbing to 17,500 feet over the Greater Himalayas. The line will reach 17...

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Somehow I was under the impression that the freighter stopped before hitting the cement blocks on the WDFC. Not true ^^^ did hit it, but fortunately there was no derailment. Here is the pole across the tracks in Uttarakhand I mentioned above: https://timesofindia.indiatimes.com/india/another-train-s...

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This is the fourth attempt to derail trains in recent days. In this case an Army special train was the target o derailment using detonators no less: https://www.freepressjournal.in/amp/bhopal/breaking-attempts-to-derail-special-army-trains-foiled-at-madhya-pradeshs-sagphata-railway-station?utm_campa...

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A Tale of Two Bridges Two extremely important railway bridges will see commissioning by the end of this year. 1. Bridge 1 is the bridge across the Yamuna river out of Delhi Jn. The original Loha ka pul(Iron bridge) commissioned in 1867 is long on the tooth and past its codal life. Trains on it trav...

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The Sabarmati Express that was set on fire at Godhra and carries pilgrims from Western India to Ayodhya has met an accident at Kanpur outer on the Kanpur-Jhansi line. Several coaches have derailed including the loco. Preliminary indications are that an object was placed on the track to cause the der...

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^^^ A day old video shows the lifting span is now in front of the span control center and about 30m from the lift mechanism supports which are now seen to be completed. The task of attaching the vertical lift span to the supports has to be done in calm seas and low wind speeds. So the moment of trut...

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Pamban Bridge New Deadline SR has now pushed the date for completion of the project to Dec 2024. It was initially Feb 2024. Then June 2024 and now Dec 2024. The main issue is dragging the single span, the vertical lifting span about 480m from the Rameswaram end where it was fabricated to the place ...

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SWR has served notice via the medium of the local papers that on June 15th they will energize overhead wires for the last remaining 31km section Kudachi to Miraj outer on the Londa--Belagavi--Miraj section. SWR had completed doubling from Londa to Miraj last February. With the electrification of thi...

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