Chakravarti Rajagopalachari
Syllabus: GS1/ Modern History/ Person in News
Context
- The President of India, unveiled a bust of Shri Chakravarti Rajagopalachari, the first and only Indian Governor General of independent India at Rashtrapati Bhavan.
About C. Rajagopalachari
- Early Life: Chakravarti Rajagopalachari, popularly referred to as Rajaji, was born in 1878 in Thorapalli, Tamil Nadu.
- His entry into public life was marked in 1917 when he became the chairperson of the municipality of Salem in 1917.
- Role in India’s Independence Movement: Rajaji’s meeting with Mahatma Gandhi in 1919 transformed his political trajectory, prompting him to give up his legal career for the freedom struggle.
- He participated in agitations against the Rowlatt Act, the Non-Cooperation movement, the Vaikom Satyagraha, and the Civil Disobedience Movement and was jailed five times between 1912 and 1941.
- Post-independence, Rajaji served as the last Governor-General of India till 1950.
- He briefly served as Tamil Nadu’s Chief Minister between 1952 and 1954.
- He founded the Swatantra Party in 1959, representing classical liberal economic ideas.
- Literary Contribution: His most popular works include a retelling of the Mahabharata and Ramayana in English, and Ramayana – Chakravarti Thirumagan in Tamil.
- In 1954 he was conferred with the Bharat Ratna for his contribution to Indian politics and literature.
Source: TH
ALARA Philosophy
Syllabus: GS2/Health
Context
- The U.S. Department of Energy has eliminated the ALARA philosophy from its directives and regulations, departing significantly from long‑standing international practice.
About
- The linear no-threshold (LNT) model and the ALARA principle have served as the conceptual and operational foundations of the global radiation protection framework for many decades.
- The LNT model is a risk estimation framework that says any amount of ionising radiation, no matter how small, carries some risk of causing harm, especially cancer.
- In other words, there is no threshold below which radiation is considered completely risk‑free. And the risk increases linearly with dose.
- ALARA, short for “as low as reasonably achievable”, is the operational philosophy of radiation protection.
- The philosophy balances safety with feasibility, cost, and societal need, and its aim is to improve continuously, including better shielding, administrative procedures, and training.
- ALARA aims to reduce unnecessary exposure using engineering controls and encourages a safety culture.
- Applied in: Nuclear power plants, Medical imaging (X-rays, CT scans), Industrial radiography and Research laboratories.
Source: TH
‘Rah-Veer’ scheme
Syllabus: GS2/Governance
In News
- The Delhi government is going to implement the Centre’s ‘Rah-Veer’ scheme to motivate citizens to assist seriously injured road accidents.
‘Rah-Veer’ scheme
- The scheme, aligned with the Good Samaritan Rules under the Motor Vehicles (Amendment) Act, 2019.
- It provides legal protection and financial incentives to encourage prompt humanitarian action.
- Features: citizens who help seriously injured road accident victims within the “golden hour” will receive a ₹25,000 cash reward.
- A district-level committee will evaluate cases, and the reward will be directly transferred to beneficiaries’ bank accounts.
- Additionally, 10 outstanding Rah-Veers annually will receive ₹1 lakh and a certificate.
It aims to overcome citizens’ hesitation to assist accident victims due to legal or procedural fears.
Source: HT
Milestone under PM Surya Ghar scheme
Syllabus: GS2/Government Initiatives; GS3/Environment
In News
- Recently, the Prime Minister praised 30 lakh households adopting rooftop solar under the PM Surya Ghar scheme, marking a key clean energy milestone.
- Gujarat leads in adoption, followed by Maharashtra and Uttar Pradesh, with widespread participation across other states and UTs.
PM Surya Ghar: Muft Bijli Yojana (PMSG: MBY).
- The Government of India launched PM Surya Ghar: Muft Bijli Yojana (PMSG: MBY) in February, 2024.
- It aims to achieve rooftop solar (RTS) installations in one crore households in the residential sector by FY 2026-27 with an outlay of Rs 75,021 crore.
- The scheme allows eligible households to install solar panels via a national portal, promoting affordable clean energy.
- The scheme’s easy financing options, including collateral-free loans up to ₹2 lakh at a 6.75% subsidized interest rate through 12 Public Sector Banks, have further accelerated adoption.

Benefits
- Free Electricity for Households: The scheme provides households with free electricity by installing subsidised rooftop solar panels, significantly reducing their energy costs.
- Reduced Electricity Costs for the Government: The scheme’s widespread solar adoption is expected to save the government in electricity costs.
- Increased Use of Renewable Energy: The scheme encourages the adoption of renewable energy sources, contributing to a more sustainable and environmentally friendly energy mix in India.
- Reduced Carbon Emissions: The transition to solar energy under this scheme will help lower carbon emissions, supporting India’s commitment to reducing its carbon footprint.
Source :PIB
IAF’s Tejas Fleet Undergoes Maintenance Check
Syllabus: GS3/ Defence
Context
- The Indian Air Force’s (IAF) Tejas fighter aircraft fleet is undergoing a “maintenance check” to determine the reason for the recent incident that occurred while one of the fighters was taking off from a base.
About Tejas fighter aircraft
- LCA Tejas is a 4.5 generation, all weather aircraft. The aircraft is designed to be a multi-role aircraft capable of taking up offensive air support, close combat and ground attack roles at ease.
- It is also designed to undertake Ground Maritime Operations.
- LCA Mk1A: It is the most advanced version of the LCA Tejas.
- It is equipped with AESA Radar, EW suite consisting of radar warning and self-protection jamming, Digital Map Generator (DMG), Smart Multi-function Displays (SMFD), Combined Interrogator and Transponder (CIT), Advanced Radio Altimeter and other advances features.

Source: IE
BAFTA – the British Academy of Film and Television Arts
Syllabus: Miscellaneous
In News
- Manipuri film Boong, produced by Farhan Akhtar’s Excel Entertainment, won the prestigious BAFTA Award for Best Children’s & Family Film in London.
About British Academy of Film and Television Arts (BAFTA)
- It is a British organization that gives awards annually for British and international film, television, and games.
- It aims to honor individuals who contribute to the advancement of the film industry and to give awards for artistic merit.
- It was officially renamed the British Academy of Film and Television Arts in 1976.
- It also runs educational and talent development programs, such as scholarships to the National Film and Television School.
Source :Air
Pangolins
Syllabus: GS3/Species in News
Context
- CITES report revealed that over 500,000 pangolins were seized globally between 2016 and 2024.
About Pangolin
- Pangolins are mammals covered in keratin scales, the only such mammals on Earth.
- They feed on ants, termites, and larvae using their long sticky tongues.
- When threatened, they use volvation (rolling into a ball) to protect themselves with their armor-like scales.
- They are considered “ecosystem engineers” due to their role in soil aeration and pest control.
- There are eight recognised species of pangolins globally — four species are found in Africa (Black-bellied, White-bellied, Giant Ground, and Temminck’s Ground pangolins) and four species are found in Asia (Indian, Philippine, Sunda, and Chinese pangolins).

Source: DTE
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