Today Current Affairs – 4 September 2026, brief of important news useful for UPSC, SSC, UPSSSC PET, RRB, Bank and other competitive exams.
Science & Technology
ISRO successfully launches Earth observation satellite EOS-05 from Sriharikota
India’s first imaging satellite in geosynchronous orbit was successfully launched by a GSLV rocket from the Satish Dhawan Space Centre at Sriharikota in the wee hours today on 4 September 2026.
- ISRO said that the state-of-the-art Earth observation spacecraft EOS-05 was successfully placed into sub-geosynchronous orbit about 18 minutes after it lifted off from the spaceport.
- After the completion of a smooth 27-hour countdown, the GSLV-F17 rocket, with a 2,367 kg payload mass, began its ascent on dot at 2.55 AM from the second launch pad at Satish Dhawan Space Centre.
- The imaging satellite will provide real-time imagery and help the nation in areas including agriculture and disaster management.
- Narayanan said the mission will further strengthen India’s Earth observation capabilities and improve the delivery of Earth observation services.
CSIR-CRRI, New Delhi, OSEPL and Ooms India Demonstrate Landmark 60% RAP Technology on NH-716
In a significant step towards promoting sustainable and circular road construction in India, CSIR-Central Road Research Institute (CSIR-CRRI) , Oriental Structural Engineers Private Limited (OSEPL) and Ooms Polymer Modified Bitumen Pvt on 3 September 2026.
- (Ooms India) successfully demonstrated the use of 60% Reclaimed Asphalt Pavement (RAP) in the Dense Bituminous Macadam (DBM) layer on National Highway-716, Chennai–Tirupati Package-I.
- The field demonstration represents an important milestone in advancing high-RAP recycling technology under actual highway construction conditions .
- The programme was attended by senior officials from the National Highways Authority of India (NHAI) and the Government of Tamil Nadu, along with representatives of highway infrastructure companies, technical experts and industry stakeholders.
- The demonstration showcased the complete high-RAP recycling process, including RAP recovery and processing, material characterisation, rejuvenation, mix design, hot-mix plant production, laying and field compaction.
Indian Culture
Janmashtami being celebrated across the country today
The festival of Janmashtami, marking the birth of Lord Krishna, is being celebrated across the country with religious fervour today on 4 September 2026.
- On the occasion, devotees observe fasts, perform ceremonies and visit temples.
- Sweets and other foods associated with Krishna are prepared and offered to Lord Krishna.
- Devotional songs and chanting are performed throughout the day and often late into the night.
- Temples and homes have been decorated with scenes depicting episodes from Krishna’s life, such as his childhood in Gokul and Vrindavan.
International
18th Meeting of Heads of IP Offices of BRICS Countries Held in New Delhi
The second day of the 18th Meeting of the Heads of Intellectual Property (IP) Offices of BRICS countries was held in New Delhi today, September 2, 2026.
- The three-day meeting, hosted by the Office of the Controller General of Patents, Designs and Trade Marks (O/o CGPDTM), DPIIT, Ministry of Commerce and Industry, Government of India, is being held from September 1 to 3, 2026.
- Around 35 delegates participated in the meeting through virtual and physical formats.
- Delegates from Russia, Iran and Ethiopia joined online, while the remaining Member Offices participated physically.
- The Heads of IP Offices of BRICS Member Countries reaffirmed their shared commitment to enhancing multilateral cooperation in intellectual property as a pivotal driver of global innovation, creativity and economic development.
US Federal judge blocks Trump administration’s latest attempt to limit birthright citizenship
A federal judge has blocked the Trump administration’s latest attempt to limit birthright citizenship in the United States on 3 September 2026.
- District Judge Deborah Boardman issued a preliminary injunction after immigrant rights advocates argued that the new order violated the U.S.
- This decision comes shortly after the U.S.
National
16th Aero India to be held in Bengaluru from February 8-12, 2027
Aero India, Asia’s largest air show and one of the world’s premier aerospace and defence exhibitions, is all set to return with its 16th edition at Air Force Station, Yelahanka in Bengaluru, Karnataka from February 8 to 12, 2027.
- Organised by the Department of Defence Production, Ministry of Defence, the event will bring together leading global aerospace and defence companies, policymakers, technology experts, innovators, industry stakeholders and defence forces personnel on a common platform.
- Aero India has emerged as a flagship international event showcasing the nation’s growing capabilities in aerospace, defence manufacturing, emerging technologies and innovation.
- It provides a dynamic platform for business engagement, technology exchange, international cooperation and strategic dialogue, while highlighting India’s expanding defence industrial ecosystem and its growing role in the global aerospace and defence sector.
- The five-day event will feature a comprehensive exhibition and a range of business and strategic engagements, providing opportunities for industry-to-industry interactions, government-to-industry engagements, technology demonstrations and collaborations.
Sports
Women’s Cricket: India storm into semifinal of T-20 Asia Cup beating Hong Kong
In Women’s Cricket, the Indian team has entered the semifinals of the T-20 Asia Cup after a massive 137-run victory over Hong Kong in Dubai last night on 4 September 2026.
- Batting first, India scored 193 for 5 in 20 overs, powered by Smriti Mandhana’s historic 124 runs off just 64 balls.