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Daily Current Affairs for TNPSC Group 1, Group 2, Group 2A and Group 4

Welcome to TNPSCPrepPro’s daily current affairs revision for 21 October 2026. Today’s important developments cover India–Singapore maritime cooperation, indigenous defence technology, renewable energy and agriculture, India–Brazil–South Africa naval cooperation, and national art awards.

The notes below are written in original, exam-focused language, with key facts, revision points and multiple-choice questions to help aspirants prepare efficiently.

1. SIMBEX-2026 Begins at Visakhapatnam

The 33rd edition of the Singapore–India Maritime Bilateral Exercise, known as SIMBEX-2026, commenced at Visakhapatnam on 21 October 2026. The exercise is scheduled to continue until 26 October.

The exercise brings together the Indian Navy and the Republic of Singapore Navy. It began in 1994 under the name Exercise Lion King and has developed into an important platform for professional exchanges and maritime training between the two countries.

SIMBEX-2026 is divided into two phases:

  • Harbour phase: 21–23 October 2026, covering professional interactions, planning activities and exchanges between naval personnel.
  • Sea phase: 24–26 October 2026, involving maritime operations and tactical exercises in the Bay of Bengal.

The sea phase includes activities related to anti-submarine warfare, anti-surface warfare and anti-air warfare. Such exercises help participating navies improve coordination and operational interoperability.

Important facts for TNPSC

  • Exercise: SIMBEX-2026
  • Edition: 33rd
  • Participating countries: India and Singapore
  • Location: Visakhapatnam, Andhra Pradesh
  • First conducted: 1994
  • Original name: Exercise Lion King
  • Sea phase location: Bay of Bengal

Why it matters: Revise SIMBEX alongside other bilateral and multilateral naval exercises. Questions may ask about participating countries, host locations and the purpose of maritime exercises.

Official source: Press Information Bureau – SIMBEX-2026

2. Ministry of Defence Signs ₹770 Crore Radar Contract

The Ministry of Defence signed a contract worth approximately ₹770 crore with Bharat Electronics Limited (BEL) on 21 October 2026 to procure Improved Low Level Light Weight Radars, designated LLLR-I, for the Indian Army.

The radar system is designed to detect and track fighter-sized aerial targets as well as mini and micro drones. Its ability to prioritise aerial targets can strengthen the Army’s response to unmanned aerial system threats.

The procurement is also significant for India’s defence-manufacturing sector. Indigenous production and the participation of domestic industries can help reduce reliance on external suppliers and strengthen national defence capabilities.

Important facts

  • Procuring organisation: Ministry of Defence
  • Equipment: Improved Low Level Light Weight Radar (LLLR-I)
  • Contract value: Approximately ₹770 crore
  • Indian supplier: Bharat Electronics Limited (BEL)
  • Primary purpose: Detection and tracking of aerial targets, including small drones

Exam relevance

This development links defence modernisation with the goal of Aatmanirbhar Bharat. Remember BEL’s full name and the role of radar systems in air defence.

Official source: Press Information Bureau – Radar procurement contract

3. Indian Air Force Engages Industry on Unmanned and Autonomous Systems

The Indian Air Force (IAF) held an industry outreach programme at Vigyan Bhawan, New Delhi, on 21 October 2026. The programme brought together representatives from drone companies, start-ups, micro, small and medium enterprises (MSMEs), and other industry partners.

Around 100 industry representatives attended the programme, which focused on the IAF’s future requirements for unmanned and autonomous systems.

The discussions built on the IAF Unmanned and Autonomous Systems Roadmap released during IAF Dronathon 2026 at Pokhran on 14 September 2026.

The roadmap envisages a connected range of unmanned systems designed to complement existing and future manned aircraft. Important technology areas include indigenous propulsion, autonomous software, reliable navigation and standardised interfaces.

Key points for revision

  • Organisation: Indian Air Force
  • Programme date: 21 October 2026
  • Venue: Vigyan Bhawan, New Delhi
  • Participants: Approximately 100 representatives from industry
  • Focus: Unmanned and autonomous systems
  • Main objective: Develop reliable, indigenous defence technologies

Why it matters

The initiative illustrates how the armed forces can work with Indian industry and research organisations to develop advanced technologies. It is relevant to questions on defence indigenisation, drones, artificial intelligence and self-reliance.

Official source: Press Information Bureau – IAF unmanned systems roadmap

4. India Hosts the Agrivoltaics World Conference 2026

The seventh edition of the Agrivoltaics World Conference 2026 commenced on 21 October at Bharat Mandapam, New Delhi. India is hosting the conference in the Global South for the first time.

The three-day international conference is being hosted by the Ministry of New and Renewable Energy, with support from Germany’s Federal Ministry for the Environment, Climate Action, Nature Conservation and Nuclear Safety and in partnership with Conexio-PSE.

The conference theme is “Powering the Global South.”

Agrivoltaics refers to the combined use of land for agriculture and solar energy generation. Solar panels can be installed above or alongside crops in appropriately designed systems, allowing farming and renewable electricity production to coexist.

This approach may help diversify farmers’ income, improve land-use efficiency and support clean-energy expansion. Its success depends on factors such as crop type, panel design, water availability and the needs of local farmers.

Important facts for TNPSC

  • Event: Seventh Agrivoltaics World Conference
  • Dates: 21–23 October 2026
  • Venue: Bharat Mandapam, New Delhi
  • Host ministry: Ministry of New and Renewable Energy
  • Theme: Powering the Global South
  • Core concept: Combining agriculture with solar energy generation

Exam relevance

Connect agrivoltaics with renewable energy, sustainable agriculture, rural development and farmer income. It is also useful for understanding how land can support both food production and clean electricity.

Official source: Press Information Bureau – Agrivoltaics World Conference

5. IBSAMAR IX 2026 Concludes in South Africa

The ninth edition of the India–Brazil–South Africa Maritime Exercise, IBSAMAR IX 2026, concluded at Simon’s Town, South Africa, on 20 October 2026. The conclusion was reported by the Ministry of Defence on 21 October.

The exercise brought together the navies of India, Brazil and South Africa for joint maritime activities, professional exchanges and training. Its harbour and sea phases provided opportunities for personnel to understand one another’s procedures and improve cooperation at sea.

Such exercises are important for developing interoperability among navies and strengthening maritime partnerships among participating countries.

Important facts

  • Exercise: IBSAMAR IX 2026
  • Edition: Ninth
  • Participating countries: India, Brazil and South Africa
  • Location: Simon’s Town, South Africa
  • Main objective: Maritime cooperation and operational interoperability

Exam relevance

IBSAMAR is associated with maritime cooperation among three countries. Remember the countries and distinguish this exercise from bilateral naval exercises such as SIMBEX.

Official source: Press Information Bureau – IBSAMAR IX 2026

6. President Presents Lalit Kala Akademi Awards

President of India Droupadi Murmu presented awards to selected artists at the 65th National Exhibition of Art in New Delhi on 21 October 2026. The ceremony also recognised Grand Prize winners and Honourable Mentions at the third Print Biennale India 2026.

The event celebrated Indian artistic traditions and contemporary creativity. The exhibition and associated awards provide a platform for artists working across different forms of visual art, while encouraging the preservation and development of India’s artistic heritage.

The Lalit Kala Akademi is India’s national academy of fine arts. It was established in 1954 and functions under the Ministry of Culture.

Key facts

  • Awarding institution: Lalit Kala Akademi
  • Event: 65th National Exhibition of Art
  • Associated event: Third Print Biennale India 2026
  • Award presenter: President Droupadi Murmu
  • Date: 21 October 2026
  • Ministry: Ministry of Culture

Why it matters

This topic is useful for Indian art and culture, national institutions, and awards-related questions. Revise the institution’s purpose and its connection with visual arts.

Official source: Press Information Bureau – Lalit Kala Akademi awards

Quick Revision Table

Topic Key fact
SIMBEX-2026 33rd India–Singapore maritime exercise
SIMBEX location Visakhapatnam; sea phase in the Bay of Bengal
Radar procurement Approximately ₹770 crore
Radar supplier Bharat Electronics Limited
IAF roadmap Unmanned and autonomous systems
Agrivoltaics World Conference 21–23 October 2026, New Delhi
Agrivoltaics theme Powering the Global South
IBSAMAR IX India, Brazil and South Africa
Lalit Kala Akademi National academy of fine arts, established in 1954

TNPSC Current Affairs MCQs – 21 October 2026

1. SIMBEX is a maritime exercise between India and which country?
A. Brazil
B. Singapore
C. South Africa
D. Australia

B — Singapore. SIMBEX is the bilateral maritime exercise between India and Singapore.

2. SIMBEX-2026 is which edition of the exercise?
A. 25th
B. 30th
C. 33rd
D. 35th

C — 33rd edition. The 2026 exercise is the 33rd edition.

3. Which company received the contract to supply Improved Low Level Light Weight Radars for the Indian Army?
A. Hindustan Aeronautics Limited
B. Bharat Electronics Limited
C. Bharat Heavy Electricals Limited
D. Mazagon Dock Shipbuilders Limited

B — Bharat Electronics Limited. BEL received the approximately ₹770 crore radar procurement contract.

4. What is the primary role of the LLLR-I radar system?
A. Detecting and tracking aerial targets
B. Monitoring agricultural production
C. Measuring ocean salinity
D. Tracking railway freight

A — Detecting and tracking aerial targets. The radar can detect fighter-sized targets and small drones.

5. The IAF Unmanned and Autonomous Systems Roadmap focuses on which area?
A. Civil aviation tourism
B. Indigenous unmanned defence technologies
C. Commercial passenger railways
D. Inland fisheries

B — Indigenous unmanned defence technologies. The roadmap focuses on developing domestic unmanned and autonomous capabilities.

6. Which ministry hosted the Agrivoltaics World Conference 2026?
A. Ministry of Agriculture and Farmers Welfare
B. Ministry of Power
C. Ministry of New and Renewable Energy
D. Ministry of Environment, Forest and Climate Change

C — Ministry of New and Renewable Energy. The ministry hosted the conference in New Delhi.

7. What does agrivoltaics combine?
A. Fishing and tourism
B. Agriculture and solar energy generation
C. Mining and hydropower
D. Rail transport and wind energy

B — Agriculture and solar energy generation. Agrivoltaics seeks to combine both activities through suitable land-use designs.

8. Which countries participate in IBSAMAR?
A. India, Brazil and South Africa
B. India, Singapore and Thailand
C. India, France and Japan
D. Brazil, Australia and Indonesia

A — India, Brazil and South Africa. These three countries participate in IBSAMAR.

9. Where did IBSAMAR IX 2026 conclude?
A. Visakhapatnam, India
B. Simon’s Town, South Africa
C. Singapore
D. Rio de Janeiro, Brazil

B — Simon’s Town, South Africa. The ninth edition concluded there on 20 October 2026.

10. The Lalit Kala Akademi is primarily associated with which field?
A. Fine arts
B. Space science
C. Public finance
D. Agricultural research

A — Fine arts. Lalit Kala Akademi is India’s national academy of fine arts.

One-Minute Revision

  • SIMBEX-2026 is the 33rd India–Singapore maritime exercise, held at Visakhapatnam.
  • The Ministry of Defence signed a ₹770 crore contract with BEL for LLLR-I radars.
  • The Indian Air Force is working with industry on indigenous unmanned and autonomous systems.
  • India is hosting the seventh Agrivoltaics World Conference under the theme “Powering the Global South.”
  • IBSAMAR IX brought together India, Brazil and South Africa.
  • President Droupadi Murmu presented Lalit Kala Akademi awards at the 65th National Exhibition of Art.

TNPSCPrepPro Study Tip: Revise the participating countries, locations, organisations and dates first. Then attempt the MCQs without referring to the answer key. Revisit the official sources for precise facts before your examination.

Official Sources for Further Reading

  1. SIMBEX-2026 – Press Information Bureau
  2. Radar procurement contract – Press Information Bureau
  3. IAF unmanned systems roadmap – Press Information Bureau
  4. Agrivoltaics World Conference – Press Information Bureau
  5. IBSAMAR IX 2026 – Press Information Bureau
  6. Lalit Kala Akademi awards – Press Information Bureau

TNPSCPrepPro creates original study notes from official announcements for examination revision. Please consult the linked primary sources for complete details and any subsequent updates.


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