Current Affairs 31 October 2025
Table of Contents
PIB Current Affairs
Prime Minister Inaugurates ₹1,219 Crore Development Projects in Kevadia on Sardar Patel’s 150th Jayanti
Prime Minister Narendra Modi inaugurated and laid the foundation stone for development projects worth ₹1,219 crore in Kevadia, Gujarat, on the eve of Sardar Vallabhbhai Patel’s 150th Jayanti. Also, a commemorative coin and postage stamp in honour of Sardar Vallabhbhai Patel, the “Iron Man of India.”
Legal Metrology (Government Approved Test Centre) Rules, 2025
The Department of Consumer Affairs under the Ministry of Consumer Affairs, Food and Public Distribution has notified major amendments to the Legal Metrology (Government Approved Test Centre) Rules, 2013. The amendments expand the scope of Government Approved Test Centres (GATCs) to 18 categories of instruments such as water meters, energy meters, gas meters, moisture meters, flow meters, sphygmomanometers, and non-automatic weighing instruments.
| Instrument | Underlying Physics Theory / Principle | Use Case / Application |
|---|---|---|
| Water Meter | Law of fluid dynamics (Bernoulli’s principle, flow rate measurement) | Measures volume of water supplied to households, industries, etc. |
| Sphygmomanometer | Pressure measurement using Pascal’s Law | Measures human blood pressure (medical use). |
| Load Cell | Strain gauge principle (Hooke’s Law) | Converts force/load into electrical signals in weighing machines and industrial systems. |
| Counter Machine (Mechanical/Automatic) | Lever balance principle (Torque equilibrium) | Commonly used in retail shops for weighing goods. |
| Gas Meter | Volumetric displacement and pressure differential principles | Measures volume of gas consumed in domestic and commercial setups. |
| Energy Meter | Electromagnetic induction (Faraday’s Law) | Measures electrical energy consumption in homes and industries. |
| Moisture Meter | Electrical conductivity/capacitance variation | Measures moisture content in grains, wood, and agricultural produce. |
| Breath Analyser | Infrared spectroscopy / Electrochemical oxidation | Detects alcohol concentration in human breath (law enforcement). |
| Flow Meter | Differential pressure or electromagnetic induction | Measures flow rate of liquids or gases in pipelines (industrial use). |
AI Curriculum Introduced in Schools from Class 3 Onwards
- The Ministry of Education has announced that Artificial Intelligence (AI) and Computational Thinking (CT) will be introduced in all schools from Class 3 onwards, starting in the academic session 2026–27.
- An expert committee chaired by Prof. Karthik Raman (IIT Madras) has been formed by CBSE to develop the AI & CT curriculum.
- Teacher training will be delivered through NISHTHA modules
Hindu Current Affairs
Nauradehi Sanctuary
Madhya Pradesh Chief Minister Mohan Yadav announced that Nauradehi Sanctuary will soon become the third home for cheetahs in the state, following Kuno National Park and Gandhi Sagar Sanctuary. Cheetahs will be brought from Namibia, Africa, and released into the sanctuary as part of India’s ongoing efforts to expand the Cheetah Reintroduction Project and strengthen wildlife conservation.
Exercise Trishul
India has commenced ‘Exercise Trishul’, a large-scale tri-Service military exercise along the western border with Pakistan, highlighting the nation’s joint operational readiness and synergy among the Indian Army, Navy, and Air Force.
A.R. Ilamparthi Becomes India’s 90th Chess Grandmaster
A.R. Ilamparthi, a 16-year-old from Chennai, has become the 90th Grandmaster (GM) from India. He achieved his Grandmaster norm at the Bijeljina Tournament held in Bosnia.
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