Top National, International & Defence Updates of December 2025
If you’re preparing for NDA, CDS, AFCAT, or any other defence exam, monthly current affairs play a crucial role in boosting your G.S. score. December 2025 turned out to be a power-packed month with important national decisions, defence developments, international events, science updates, sports achievements, and major appointments.
So, let’s quickly revise the most important current affairs of December 2025, explained in a simple and exam-friendly manner.
1. National Affairs
- Viksit Bharat Rozgar Mission Act Passed: The Government of India passed a new employment-focused act aimed at improving skill development, rural employment opportunities, and self-reliance among youth.
- India’s First Gen-Z Post Office Inaugurated: India launched its first Gen-Z-oriented post office to modernise postal services and attract young users through digital platforms.
- Railway Fare Revision Announced: Indian Railways announced a revised fare structure from 26 December 2025 to strengthen operational sustainability and improve passenger services.
- Digital Governance Expansion: Several central ministries adopted AI-based grievance redressal systems to improve transparency and faster public service delivery.
2. International Affairs
- India–Africa Strategic Dialogue 2025: India hosted a major strategic dialogue with African nations to enhance cooperation in defence, healthcare, and education sectors.
- Global Climate Meet on Adaptation: An international climate conference focused on climate adaptation strategies for developing countries was held in Nairobi, Kenya.
- China Completes World’s Longest Highway Tunnel: China inaugurated the world’s longest expressway tunnel, significantly reducing travel time across mountainous regions.
3. Defence Updates
- DRDO Conducts Successful Missile Test: DRDO successfully tested an advanced long-range missile system, strengthening India’s strategic deterrence capability.
- Indian Navy Conducts Multinational Exercise: The Indian Navy participated in a joint maritime exercise with friendly foreign navies in the Indian Ocean Region to enhance interoperability.
- Agniveer Training Phase Continues: The Agniveer Batch 02/2025 continued its advanced training phase across Army, Navy, and Air Force training centres.
4. Economy and Business
- RBI Conducts Liquidity Infusion: The Reserve Bank of India infused liquidity through Open Market Operations to stabilise the financial system.
- India’s Forex Reserves Strengthen Further: India’s foreign exchange reserves remained strong, supporting economic stability and global trade confidence.
- Startup Ecosystem Growth: The Government announced additional incentives for startups working in defence manufacturing, AI, and space technology.
5. Awards and Honours
- National Energy Conservation Awards 2025: Industries and institutions promoting energy efficiency were honoured by the Ministry of Power.
- International Recognition for an Indian Scientist: An Indian scientist received global recognition for contributions to renewable energy research.
6. Science and Technology
- ISRO Launches Heavy-Lift Mission: ISRO successfully launched its heaviest mission of the year, placing a high-capacity satellite into orbit.
- AI-Driven Surveillance Systems Introduced: Indian security forces deployed AI-based surveillance technologies in sensitive border regions.
- 5G Expansion Continues: Telecom authorities reported further expansion of 5G services across semi-urban and rural India.
7. Sports Highlights
- India Wins Squash World Cup 2025: India created history by winning the Squash World Cup, marking a major achievement in international sports.
- Domestic Sports Leagues Conclude Successfully: Several national-level leagues concluded, helping identify new talent for future international competitions.
8. Appointments and Resignations
- New Chief of a Central Armed Force Appointed: The government appointed a new chief to strengthen leadership and modernisation in paramilitary forces.
- Key Diplomatic Appointment: India appointed a new ambassador to a strategically important foreign nation to enhance bilateral relations.
9. Important Days & Observations
- Vijay Diwas – 16 December: India observed Vijay Diwas to commemorate victory in the 1971 Indo-Pakistan War.
- World Meditation Day – 21 December: Observed globally to promote mental peace, mindfulness, and well-being.
Conclusion
That wraps up the December 2025 Current Affairs. Regular revision of such monthly updates will help you build strong conceptual clarity and confidence for exams like NDA, CDS, AFCAT, and other defence services examinations.
Stay consistent, revise smartly, and remember current affairs are not about memorising facts, but understanding trends.
