| Prelims: (Polity + CA) Mains: (GS 2 – Governance, Constitution) |
The Supreme Court has delivered a major advisory opinion under Article 143 in response to a Presidential reference. The reference was triggered after the Supreme Court’s April 2025 judgment in State of Tamil Nadu vs. Governor of Tamil Nadu, which dealt with delays in granting assent to State Bills. The advisory clarifies the scope of the Governor’s powers, justiciability of delays, and limits on judicial timelines regarding assent procedures.
The reference stemmed from controversies created by the Supreme Court’s April 2025 ruling, which:
This created constitutional uncertainty and raised three major questions:
The Union Government therefore invoked Article 143 seeking clarity.
The Presidential reference placed 14 constitutional questions before the Supreme Court, dealing with:
These issues are fundamental to India’s federal structure, legislative functioning, and Centre–State relations.
The five-judge Bench provided a comprehensive clarification of the constitutional design regarding State Bills.
1. Governor’s Options Under Article 200
The Court reaffirmed that a Governor has three constitutionally recognised choices:
No other options — including judicially created ones like “deemed assent” — are permissible.
2. Discretion of the Governor
This marks a major departure from the logic of earlier landmark rulings such as:
which stressed the primacy of ministerial advice.
3. Limited Justiciability
This preserves judicial oversight without intruding into executive discretion.
4. No Judicial Timelines
The Court set aside the April 2025 ruling that prescribed a three-month limit.
5. No Use of Article 142 to Create ‘Deemed Assent’
This marks a clear boundary on Article 142.
1. Legislative Intent May Be Undermined
2. Absence of Timelines Can Enable Delays
3. Federal Concerns
Clarifies Constitutional Boundaries
Defines the Limits of Judicial Intervention
Reconfigures Centre–State Dynamics
Rejects Judicial Overreach
Guides Future Constitutional Practice
FAQs1. What triggered the Presidential reference under Article 143? A 2025 Supreme Court judgment that introduced timelines and “deemed assent,” creating constitutional uncertainties. 2. What powers does the Governor have under Article 200? Three: assent, reserve for the President, or return the Bill. 3. Can courts impose timelines for assent? No. The Court clarified that judiciary cannot create timelines where the Constitution is silent. 4. Can courts review delays by the Governor? Only in rare cases of prolonged, unexplained inaction, and even then only to direct the Governor to act, not decide. 5. Can Article 142 be used to grant “deemed assent”? No. Assent is an executive function and cannot be substituted by a judicial decree. |
| Prelims: (Indian History + CA) Mains: (GS 1 – Indian Heritage & Culture, History) |
On the occasion of Lachit Diwas, the Prime Minister paid homage to Lachit Borphukan, honouring him as a timeless symbol of courage, leadership, patriotism, and military excellence.
Growing up during continuous Ahom–Mughal conflicts, he developed a strong strategic mindset.
The Battle of Saraighat, fought on the Brahmaputra River, remains one of India’s most celebrated military victories.
End of an Era
National Recognition
Symbol of Inspiration
Lachit Borphukan is remembered for:
He remains an enduring figure of national pride.
FAQs1. Who was Lachit Borphukan? An Ahom general and Commander-in-Chief who led the resistance against the Mughal invasion during the Battle of Saraighat. 2. Why is the Battle of Saraighat important? It halted Mughal expansion into the Northeast and showcased exemplary river-based military strategy. 3. When is Lachit Diwas celebrated? Every year on 24 November. 4. What award is named after him? The Lachit Borphukan Gold Medal at the NDA. 5. Where was Lachit Borphukan born? At Charaideo, Assam. |
| (Prelims: Current Affairs) |
During the Dubai Air Show, the Indian Air Force's (IAF) indigenous fighter jet, the Tejas, crashed during an aerial display. The pilot was killed. This incident has shocked both the country and the Air Force. A safety review of the Tejas aircraft is also being felt.
| (Prelims: Contemporary International Events) |
Prime Minister Narendra Modi and Australian Prime Minister Anthony Albanese held an important bilateral meeting on the sidelines of the G20 Summit 2025 in Johannesburg, South Africa. The two leaders reviewed the significant progress made in bilateral relations over the past five years.
| Prelims: (International Relations, Geography) Mains: (GS 2 – International Relations; GS 3 – Infrastructure, Security) |
Tata Power Company Ltd has signed commercial agreements with Druk Green Power Corporation Ltd (DGPC) for jointly developing the 1,125 MW Dorjilung Hydroelectric Power Project in eastern Bhutan. This agreement marks one of the largest India–Bhutan hydropower collaborations and strengthens regional clean-energy cooperation.
Timeline
Strengthening India–Bhutan Energy Partnership
Boost to Bhutan’s Economy
Clean Energy Transition
Strategic Value
FAQs1. Where is the Dorjilung Hydropower Project located? In the Lhuentse and Mongar districts of eastern Bhutan on the Kurichhu River. 2. Who is developing the project? DGPC and Tata Power through an SPV, with 60:40 equity sharing. 3. What is the project capacity? 1,125 MW, generating approximately 4.5 TWh annually. 4. When will the project be commissioned? By early 2032. 5. Why is the project significant? It enhances India–Bhutan energy cooperation, expands Bhutan’s revenue base, and boosts clean energy capacity. |
| Prelims: (Environment + CA) Mains: (GS 3 – Environment) |
To address the recurring issues of algal blooms, foul odour, and deteriorating water quality in Hyderabad’s Hussain Sagar Lake, the Hyderabad Metropolitan Development Authority (HMDA) has proposed an advanced bioremediation process.
The restoration strategy includes the use of enzyme-based solutions and biochar Bokashi balls to naturally clean the lake and accelerate microbial decomposition of pollutants.


FAQs1. What is the purpose of the new bioremediation initiative? To reduce pollution, algal blooms, and odour using enzyme solutions and biochar-based Bokashi balls. 2. Who is implementing the project? The Hyderabad Metropolitan Development Authority (HMDA). 3. Why is Hussain Sagar polluted? Due to inflow of untreated sewage, industrial waste, and runoff through surrounding nalas. 4. What is special about the lake? It is one of Asia’s largest man-made lakes and features the iconic monolithic Buddha statue. 5. What UPSC topics is this linked to? Prelims – Lakes, Environment; |
| Prelims: (Defence Exercises, International Relations + CA) Mains: (GS 2 - International Relations, GS-3: Security) |
The Indian Naval Ship INS Sahyadri recently participated in AUSINDEX 2025, held in the Northern Pacific region. The exercise forms a key component of India–Australia defence cooperation and aims to boost interoperability between the two navies.

These drills strengthen operational synergy for real-world contingencies in the Indo-Pacific.

|
Exercise |
Domain |
Nature |
|
AUSTRA HIND |
Army |
Bilateral |
|
Pitch Black |
Air Force |
Multilateral (hosted by Australia) |
|
Malabar |
Navy |
Multilateral (India, Australia, US, Japan) |
|
Quad Naval Cooperation |
Navy |
Multilateral |
FAQs1. What is AUSINDEX? A bilateral naval exercise between India and Australia, conducted biennially since 2015. 2. What is the purpose of AUSINDEX 2025? To enhance interoperability and strengthen maritime cooperation through anti-submarine warfare, gunnery, and flying operations. 3. Which ships participated in AUSINDEX 2025? INS Sahyadri (India) and HMAS Ballarat (Australia). 4. Why is India–Australia naval cooperation significant? Both countries are key partners in maintaining stability, security, and freedom of navigation in the Indo-Pacific region. 5. What other exercises do India and Australia conduct together? AUSTRA HIND, Pitch Black, Malabar, and Quad naval engagements. |
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