31 July 2026: PRELIMS CURRENT AFFAIRS | Complete Exam Preparation
Prelims Current Affairs includes Rbi’s ₹10 And ₹20 Polymer Notes, India Mobile Congress 2026, Daanveer Gram Panchayat Digital Infrastructure, Kalpasar Project, Global Tiger Day 2026 Report, First Telecom Manufacturing Zone In Gwalior , Indian Navy Launches Asw Shallow Water Craft ‘Machilipatnam’ & Issf World Cup 2026: India Finishes With Four Medals
ECONOMY
1. RBI’S ₹10 AND ₹20 POLYMER NOTES
Current Context: The Union Government has approved the Reserve Bank of India’s (RBI) proposal to conduct field trials of polymer banknotes in ₹10 and ₹20 denominations.
ABOUT POLYMER NOTES
- The pilot aims to assess the durability, security, and public acceptance of polymer notes before any decision on large-scale introduction.
- Currency Manufacturing Subsidiary:Bharatiya Reserve Bank Note Mudran Private Limited (BRBNMPL)
- Polymer banknotes are made from biaxially oriented polypropylene (BOPP), a durable plastic substrate, instead of traditional cotton-based paper.
- First introduced by Australia in 1988.
- Now used by several countries, including Canada, the United Kingdom, New Zealand, Singapore, and Vietnam.
POWER OF ISSUING CURRENCY NOTES IN INDIA
- The power to issue currency in India is governed by the Reserve Bank of India Act, 1934.
- Section 22 of the RBI Act grants the Reserve Bank of India (RBI) the sole right to issue banknotes in India. This is known as the Monopoly of Note Issue.
- ₹1 note is issued by the Government of India under the Coinage Act, 2011 and the Currency Act, 2011.
- The Finance Secretary signs the ₹1 note.
SCIENCE & TECHNOLOGY
2. INDIA MOBILE CONGRESS 2026
Current Context: The 10th edition of India Mobile Congress (IMC) 2026 was officially announced by Union Minister Jyotiraditya Scindia.
ABOUT IMC 2026
- The event will be held from 7-10 October 2026 at Yashobhoomi (India International Convention & Expo Centre), Dwarka, New Delhi.
- Showcase India’s telecom and digital innovation ecosystem.
- Accelerate deployment of 5G and 6G, AI, IoT, Satellite Communications, Cloud Computing, Edge Computing, Quantum Technologies, Green Technologies.
- Theme:“Scale without Boundaries”
- Organisers:Department of Telecommunications (DoT) and Cellular Operators Association of India (COAI)
SCHEMES/PROGRAMMES
3. DAANVEER GRAM PANCHAYAT DIGITAL INFRASTRUCTURE
Current Context: The Ministry of Panchayati Raj has launched DAANVEER, a citizen participation initiative to strengthen the digital infrastructure of Gram Panchayats across India.
ABOUT DAANVEER
- The programme enables citizens and organisations to voluntarily donate computers through the Meri Panchayat App to bridge the digital divide at the grassroots.
- Objective: Improve the digital infrastructure of Gram Panchayats through voluntary public contributions.
- Target:Nearly 2.5 lakh Gram Panchayats
- Technical Integration:Meri Panchayat app with DigiHaat marketplace
INFRASTRUCTURE
4. KALPASAR PROJECT
Current Context: The Central Government informed the Rajya Sabha that the Detailed Project Report (DPR) for the Kalpasar Project is at an advanced stage.
ABOUT KALPASAR PROJECT
- The project is envisaged as one of India’s largest multi-purpose freshwater reservoir and infrastructure projects in Gujarat.
- Full Form: Kalpasar – Khambhat Large-scale Fresh Water Storage Project.
- Location: Across the Gulf of Khambhat (Cambay).
Rivers Feeding Reservoir:
- Sabarmati, Mahi, Dhadhar, Narmada
- International Cooperation:
- Netherlands providing technical expertise (coastal engineering, water resource management)
ABOUT THE GULF OF KHAMBHAT
- Located on the western coast of Gujarat.
- Opens into the Arabian Sea.
- Known for one of the highest tidal ranges in India.
- Receives discharge from major west-flowing rivers including the Narmada, Tapi, Mahi, Sabarmati, and Dhadhar. Possesses significant tidal energy potential.
ENVIRONMENT
5. GLOBAL TIGER DAY 2026 REPORT
Current Context: India’s tiger population rises to 3,682, Tiger Reserves increase to 58.
KEY HIGHLIGHTS OF THE 2026 REPORT
- India continues to host over 75% of the world’s wild tiger population.
- Expansion of protected areas and improved habitat management have contributed to the increase.
- Strengthened anti-poaching measures and community participation have improved conservation outcomes.
National Tiger Conservation Authority (NTCA)
- Established: 2005.
- Statutory Basis: Wildlife (Protection) Act, 1972 (amended in 2006).
- Functions under the Ministry of Environment, Forest and Climate Change.
- Threats to Tigers:
- Poaching, illegal wildlife trade, habitat loss, fragmentation, human-wildlife conflict, climate change
- Wild tigers occupy less than 8% of historical range
- Extinct subspecies: Bali Tiger, Javan Tiger, Caspian Tiger
ECONOMY
6. FIRST TELECOM MANUFACTURING ZONE IN GWALIOR
Current Context: DoT and Government of Madhya Pradesh signed MoU for Phase I of India’s first Telecom Manufacturing Zone in Gwalior.
ABOUT TELECOM MANUFACTURING ZONE
- The initiative aims to strengthen indigenous telecom manufacturing and position India as a global telecom equipment production hub.
- Objective: Develop an integrated ecosystem for manufacturing telecom equipment and related technologies.
- Direct Jobs:~5,000
- Key Features:
- Plug-and-play system (ready infrastructure)
- Manufacturing ecosystem for telecom equipment, data centres, chip manufacturers
- Linked to Aatmanirbhar Bharat vision
DEFENCE
7. INDIAN NAVY LAUNCHES ASW SHALLOW WATER CRAFT ‘MACHILIPATNAM’
Current Context: The Indian Navy launched Machilipatnam, the seventh of eight Mahe-class Anti-Submarine Warfare Shallow Water Craft (ASW SWC).
ABOUT MACHILIPATNAM
- The vessel is part of India’s indigenous naval modernization programme to strengthen coastal anti-submarine warfare capabilities.
- Builder: Cochin Shipyard Limited (CSL), Kochi
- Named After: Machilipatnam, a historic port city in Andhra Pradesh.
- Indigenous Content:More than 80%
- Key Capabilities:
- Underwater Surveillance, Anti-Submarine Warfare (ASW), Low Intensity Maritime Operations (LIMO) and Mine Warfare
- Enhanced Maritime Domain Awareness
SPORTS
8. ISSF WORLD CUP 2026: INDIA FINISHES WITH FOUR MEDALS
Current Context: India concluded its campaign at the ISSF World Cup 2026 with four medals (1 Gold, 1 Silver, 2 Bronze), showcasing strong performances in rifle and pistol events and reaffirming its status as one of the world’s leading shooting nations.
- The ISSF World Cup 2026 was organized in Hangzhou, Zhejiang Province, People’s Republic of China.
Medal Winners:
| Athlete(s) | Event | Medal |
| Esha Singh | Women’s 25m Pistol | Gold |
| Sainyam Vij | Women’s 10m Air Pistol | Silver |
| Manu Bhaker | Women’s 25m Pistol | Bronze |
| Sonam Maskar & Himanshu Dhillon | 10m Air Rifle Mixed Team | Bronze |
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