Location: Located in Cuddalore district, Tamil Nadu, near the Bay of Bengal coast. Unique Feature: One of the largest mangrove ecosystems in India, known for its extensive network of water channels and creeks. Hydrology: Situated between the Vellar and Coleroon (Kollidam) river systems. Vegetation: Dominated by mangrove species, particularly Avicennia and Rhizophora. Ecosystem Services: Provides…
UPSC Prelims Current Affairs for September 2026
UPSC Prelims Current Affairs for September 2026 brings together the news items of the day that map to the Prelims syllabus — polity, economy, environment, science and technology, and international relations. Each item is written as a factual pointer you can revise quickly, with the static-syllabus link made explicit so the reading feeds directly into your Prelims notes.
27 articles · page 3
3 September 2026
Article 142
Constitutional Provision: Article 142 empowers the Supreme Court to pass any decree or order necessary for doing “complete justice” in any cause or matter pending before it. Exclusive Power: The power under Article 142 is vested only in the Supreme Court, not in High Courts. Enforceability: Any decree or order made under Article 142 is…
2 September 2026
Medog Dam
Location: China is constructing the Medog Hydropower Project in Medog County, Tibet, on the lower reaches of the Yarlung Tsangpo River. River connection: The Yarlung Tsangpo flows from Tibet into Arunachal Pradesh, where it is known as the Siang, and then becomes the Brahmaputra in Assam. Scale: The project is planned at around 60,000 MW,…
Rani Avanti Bai Lodhi (1831–1858)
Rani Avanti Bai Lodhi (1831–1858) was an important woman leader of the Revolt of 1857, associated with Ramgarh in present-day Madhya Pradesh. Birth: 16 August 1831, Manakehni village, Seoni district, Madhya Pradesh. Family: Daughter of Rao Jujhar Singh, a zamindar. Marriage: Married Vikramaditya Singh, son of Ramgarh ruler King Lakshman Singh. Ramgarh: After Vikramaditya Singh…
“Gandak River”
River System: Gandak is a major Himalayan river and a left-bank tributary of the Ganga. Names: In Nepal, it is known as Gandaki/Narayani; in India, it is called Gandak. The upper river is associated with Kali Gandaki. Origin: The Gandaki system originates in the Himalayan/Tibetan Plateau region and drains central Nepal before entering India. Major…
1 September 2026
Chief Justice of a High Court
Constitutional Provision: The office is High Court is provided under Article 216 of the Constitution. Appointment: The President of India appoints the Chief Justice of a High Court under Article 217. Consultation: The President consults the Chief Justice of India and the Governor of the concerned State; in case of appointment of a judge other…
Sone River Water System
Origin: The Sone River originates near Amarkantak in Madhya Pradesh, close to the Narmada’s source region. Course: It flows mainly east/northeastwards through Madhya Pradesh, Uttar Pradesh, Jharkhand and Bihar. Tributary of: Sone is an important right-bank tributary of the Ganga. Confluence: It joins the Ganga near Maner, west of Patna, Bihar. Drainage Basin: Its basin…
Ravi Raaz
Hassan Khan
Shadab Ali