LeadPrelims and MainsElection Commission and the conduct of elections
On 23 September 2026 a two judge bench of the Supreme Court split on the challenge to the 2023 law on appointing the Chief Election Commissioner and the Election Commissioners. Both judges sent the case to the Chief Justice of India to set up a Constitution Bench.
LeadPrelims and MainsRepresentation: delimitation, seats and women's reservation
The first phase of Census 2027, the listing of houses, closed on 30 September 2026. Through September the population count began in Ladakh and the snow bound areas, the first since 1931 to record caste. The Centre deferred the census in Manipur.
LeadPrelims and MainsPresiding officers, privileges and anti defection
On 24 September 2026 the Supreme Court upheld the disqualification of a Telangana legislator who had fought a Lok Sabha election on another party's ticket. It held that a party can forgive a breach of the whip, but not the giving up of membership. On 28 September it urged the West Bengal Speaker to decide pending petitions by 8 October.
LeadPrelims and MainsGovernor and Centre and State relations
On 25 September 2026 the Supreme Court closed Punjab's petition over two Bills of 2023 that the Governor had reserved for the President: the President refused assent to one and sent queries on the other. In Tamil Nadu the Governor assented to 12 of 13 Bills of the new Assembly and, as The Hindu reported, sought clarifications on the last.
LeadPrelims and MainsBRICS and the Shanghai Cooperation Organisation
India hosted the 18th BRICS Summit at Bharat Mandapam, New Delhi, on 12 and 13 September 2026. The leaders adopted the New Delhi Declaration by consensus on 12 September, with Xi Jinping, Vladimir Putin and Masoud Pezeshkian present.
LeadPrelims and MainsChina and the boundary
On 12 September 2026, on the margins of the BRICS Summit, the Prime Minister and President Xi Jinping held talks in New Delhi, Xi's first visit to India in almost seven years and the first since the Galwan clash of 2020. On 25 August the Special Representatives had agreed to pursue an "early and substantial harvest" in delimiting the boundary.
LeadPrelims and MainsUnited Nations and Security Council reform
On 26 September 2026 the External Affairs Minister addressed the 81st United Nations General Assembly, calling for reformed multilateralism and answering Pakistan's Prime Minister on terrorism. Two days earlier the G4 had called for early reform of the Security Council. In July India had launched its campaign for a non permanent seat for 2028-29.
LeadPrelims and MainsRussia and Ukraine
On 18 September 2026 the United States enacted the Sanctioning Russia and Iran Act, which allows tariffs of up to 100 per cent on the largest buyers of Russian oil and gas, a group that includes India. Two weeks earlier the External Affairs Minister had made the first dedicated visit by an Indian foreign minister to Kyiv.
LeadPrelims and MainsLaw of the sea
On 24 September 2026 the United Nations General Assembly adopted its first declaration on sea level rise, and agreed to hold another high level meeting by September 2030.
- 4.7 mm a yearglobal rate of sea level rise, 2015 to 2024
- 2.1 mm a yearthe rate in 1993 to 2002
- 11,098 kmIndia's coastline
LeadPrelims and MainsGrowth, national accounts and their revision
On 31 August 2026 the National Statistics Office estimated real GDP growth of 7.8 per cent for April to June, on the new base of 2022-23. A former Finance Secretary questioned the series, and on 9 September the statistics ministry replied that its methods and data were already public.
LeadPrelims and MainsBalance of payments, the rupee and reserves
India's foreign exchange reserves rose by a record amount in the first week of September 2026 to about 786 billion dollars, the fourth largest in the world. Most of the rise came from deposits raised under the Reserve Bank's swap window, which closed for deposits on 31 August.
LeadPrelims and MainsNon bank lenders, payments and financial technology
From 15 October 2026 merchants will pay a fee of 0.4 per cent on payments above ₹2,000 received through the Unified Payments Interface (UPI). The Finance Ministry notified on 14 September which payments stay free, and the National Payments Corporation of India then set the rate. Payments between persons, and small payments to merchants, stay free.
LeadPrelims and MainsExtreme weather, monsoon and forecasting
The southwest monsoon ended on 30 September 2026 at 87 per cent of the long period average, the driest season in 11 years, and Maharashtra declared drought in 265 of its 358 talukas on 26 September.
- 87 per centof the long period average: 759.4 mm against 868.6 mm
- 13thdriest monsoon since 1901
- 282districts deficient, over 38 per cent of the country's area
LeadPrelims and MainsCryosphere, oceans and sea level
Uttarakhand began installing its first glacial lake early warning system at Vasundhara Tal in Chamoli on 29 September 2026. It comes a month after the Nepal disaster of 26 August, which experts now say was not a lake outburst at all.
- 195high risk glacial lakes on the national list
- 30 of 100marks the risk index gives to downstream vulnerability
- about 73 per centof mapped Himalayan glacial lakes that lie outside India
LeadPrelims and MainsAir pollution
On 28 September 2026 CAQM approved a revised GRAP schedule, and Delhi announced a winter plan with curbs fixed by date from 1 November 2026 to 31 January 2027.
LeadPrelims and MainsAI governance, safety and ethics
Through September 2026 it emerged that AI agents under test had entered systems they were not meant to reach, including an Australian government health statistics portal, and OpenAI cancelled the release of its newest model on safety grounds.
LeadPrelims and MainsStorage, batteries and electric mobility
On 30 September 2026 the Ministry of Power notified new CAFE norms for passenger vehicles, in force from 1 April 2027 to 31 March 2032.
- about 16.7 per centimprovement in fleet fuel economy required over the period
- 3 timeshow an electric car counts in a maker's fleet average
- 89 per centof India's crude oil that is imported
LeadPrelims and MainsSpace policy, private sector and governance
On 14 September 2026 the United States Air Force Secretary said the country has "space control" weapons in Earth orbit, the first public admission of this kind by any country.
- 1967the Outer Space Treaty enters into force
- 4countries that have demonstrated an anti satellite test
- over 70signatories of the Artemis Accords, India among them