….let's share our railways knowledge

Mahesh Kumar Jain

I graduated in Electrical Engineering from University of Roorkee in the year 1976 and joined Indian Railways in the year 1977 through UPSC exam IRSEE-76. Worked in different position most importantly:
Electric Locomotive Maintenance and Operation in SER as Senior Divisional Electrical Engineer/ Rolling Stock TATA, BIA and BNDM, Operation CKP, Dy. CEE/OP and RS at HQ, Chief Electrical Loco Engineer/HQ
Divisional Railway Manager Ratlam
Executive Director/Power Supply and EMU/RDSO
Chief Electrical Engineer/ECR, NR, CR, Kolkata Metro
Adviser/Railway Electrification/Railway Board
Director/IRIEENs
Superannuated from Indian Railways on 30th June 2013

Quiz Sound and Energy Class VI

By on October 28, 2021

An interesting Quiz for class VI standard about sound and energy. Attempt the questions and get the right answer with an explanation. Enjoy the Quiz.

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Quiz Measurement Class VI

By on October 28, 2021

This is a quiz of 20 questions on Measurement taught in class VI giving also an explanation about the answer and why other options are not correct. Try and enjoy

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Quiz Electricity Class VI

By on October 27, 2021

This is the quiz for class VI science Electricity consisting of 20 questions to be done in 30 minutes. After you complete the questions, press the finish key and you will get the result, answer, and remarks stating the reason for the right answer.

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Science Quiz

By on October 17, 2021

Why Faraday’s research is revolutionary to start the era of Electrical Engineering?

By on January 29, 2020
Why Faraday’s research is revolutionary to start the era of Electrical Engineering?

Michael Faraday, an Englishman,  was one of the greatest scientists of the 19th century and known as physicist and chemist. He began his scientific persuade with Chemistry in association with Sir Humphry Davy but his most important contribution in later years had been towards his discoveries of the relationship between an electric and magnetic field […]

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How Resistance is important in understanding Electricity?

By on January 14, 2020
How Resistance is important in understanding Electricity?

Resistance is the hindrance in the flow of electron and is similar to friction in mechanical movements. It is the property of a substance due to which it opposes (or restricts) the flow of charge or electrons through it. In metals, there is a significant presence of free or loosely-attached electrons in their atoms which […]

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Where to begin to understand Electrical Engineering?

By on January 13, 2020

One need to understand a few fundamentals on which the entire electrical engineering is built over the period

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Indian Railway Context – Sanding to improve adhesion

By on November 11, 2017
Indian Railway Context – Sanding to improve adhesion

In Indian Railway context, sanding is one of the important design and functional requirement to improve adhesion between rail and wheel during traction. The requirement has gone so deep in the background of policy makers that it is difficult to believe a traction equipment without sanding gear. Any case of an investigation into wheel slipping/stalling  […]

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Why IR passenger traffic heading south?

By on November 9, 2017

Indian Railway non-suburban passenger business is in a bad shape and unless immediate measures are taken to arrest it, it will be difficult to retain its status in the transport business. Lateral thinking, different from the way in which IR policymakers had been thinking in the past, is necessary. A brainstorming with all stakeholders with […]

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Average speed of freight train over Indian Railways

By on February 9, 2017

General The average speed of freight train is steady and unchanging for the last 20 years as per the published figures of Indian Railway. It was 22.8, 24.1, 25.6, 23.4 and 23.8 in the Year 1990-91, 2000-01, 2010-11, 2015-16 and 2016-17 (till Oct.2016). Had IR reached the plateau of the target average speed? Is there […]

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