UPSC Prelims Current Affairs for 6 April 2026

by Vajiram & Ravi - 6 April 2026

Vajiram & Ravi provides Daily UPSC Prelims Current Affairs for 6 April 2026, tailored for aspirants. We cover all relevant news and events crucial for the exam, ensuring you stay updated & well-prepared.

Mudumalai Tiger Reserve

April 6, 2026
Mudumalai Tiger Reserve

Mudumalai Tiger Reserve Latest News

Recently, Nilgiris Collector inspected Thengumarahada, a remote village inside the core area of Mudumalai Tiger Reserve, to ensure basic amenities for voters.

About Mudumalai Tiger Reserve

  • Location: It is located in the Nilgiris District of Tamil Nadu.
  • It is at the tri–junction of three states, viz, Karnataka, Kerala, and Tamil Nadu.
  • It is part of the Nilgiris Biosphere Reserve, the first biosphere reserve in India.
  • It has a common boundary with Wayanad Wildlife Sanctuary (Kerala) on the west, Bandipur Tiger Reserve (Karnataka) on the north.
  • Terrain: The terrain is undulating, with the elevation ranging from 960m to 1266m.
  • Vegetation: A variety of habitats ranging from tropical evergreen forest, moist deciduous forest, moist teak forest, dry teak forest, secondary grasslands, and swamps are found here.
  • River: The Moyar River runs through the reserve.
  • Flora: It has tall grasses, commonly referred to as “Elephant Grass”, bamboo of the giant variety, and valuable timber species like Teak, Rosewood, etc.
    • It has wild relatives of cultivated plants, viz. wild rice, ginger, turmeric, cinnamon, etc.
  • Fauna: It includes elephant, gaur, sambar, four-homed antelope, spotted deer, barking deer, blackbuck, wild pig, mouse deer, and predators like tigers, leopards, and wild dogs.

Source: NIE

Mudumalai Tiger Reserve FAQs

Q1: Where is Mudumalai Tiger Reserve located?

Ans: Tamil Nadu

Q2: What is the primary Vegetation type of Mudumalai Tiger Reserve?

Ans: Tropical evergreen forest and Moist deciduous forest

National Maritime Day

April 6, 2026
National Maritime Day

National Maritime Day Latest News

The Prime Minister of India on the occasion of National Maritime Day, recalled India’s rich maritime heritage and acknowledged the invaluable contribution of all those associated with the sector.

About National Maritime Day

  • It is celebrated every year on April 5.
  • History: National Maritime Day commemorates the maiden voyage of S.S. Loyalty, which sailed from Mumbai to London on April 5, 1919.
  • This was a groundbreaking event as it represented India’s independence in maritime affairs, challenging the British shipping monopoly.
  • Theme of National Maritime Day 2026: “Maritime India – Empowering Progress"
  • The theme of 2026 aims at fostering a self-reliant, technologically advanced, and eco-friendly maritime sector by 2047.
  • Key Focus Areas for National Maritime Day 2026
    • Port-Led Development: Expansion of port infrastructure, including the strengthening of the Sagarmala initiative to enhance India’s port capacity.
    • Sustainability: Promoting eco-friendly practices in shipping, and focusing on reducing the carbon footprint of the maritime industry.
    • Honouring Seafarers: Acknowledging the vital role maritime professionals play in driving India’s economy.
    • Technological Advancement: Enhancing digital infrastructure to reduce port turnaround times and improve operational efficiency.

Source: PIB

National Maritime Day FAQs

Q1: What is the theme of National Maritime Day 2026?

Ans: Maritime India – Empowering Progress

Q2: When is National Maritime Day celebrated in India?

Ans: April 5

ECINet Platform

April 6, 2026
ECINet Platform

ECINet Platform Latest News

Recently, the Election Commission of India (ECI) has urged voters to make informed choices by using the “Know Your Candidates” (KYC) module available on its ECINet platform.

About ECINet Platform

  • It is a single-point digital platform developed by the Election Commission of India (ECI).
  • It is a new user-friendly digital interface for the electors and other stakeholders such as the election officials, political parties, and civil society.

Features of ECINet Platform

  • It integrates and reoriented over 40 of ECI’s existing mobile and web applications.
  • ECINET subsumed existing apps like the Voter Helpline App, Voter Turnout App, cVIGIL, Suvidha 2.0, ESMS, Saksham, and KYC App.
  • ECINET has an aesthetic User Interface (UI) and a simplified User Experience (UX) by providing a singular platform for all electoral-related activities. 
  • It offers a range of services to voters, including registration, electoral roll search, application tracking, and grievance redressal.
  • Additional features include downloading digital voter ID cards (e-EPIC), connecting with election officials, and booking calls with Booth Level Officers (BLOs).
  • The platform also includes tools such as cVIGIL for reporting election code violations and Saksham for facilitating accessible services for persons with disabilities.
  • It has been developed in full compliance with the Constitution of India, the Representation of the People Acts, 1950 and 1951, Registration of Electors Rules, 1960 and the Conduct of Election Rules, 1961.

Source: DD News

ECINet Platform FAQs

Q1: What is a key feature of ECINet?

Ans: Real-time election monitoring

Q2: Who launched the ECINet digital platform?

Ans: Election Commission of India

Rove Beetle

April 6, 2026
Rove Beetle

Rove Beetle Latest News

Researchers have discovered three previously unknown species of rove beetles in Arunachal Pradesh, marking a significant addition to the state’s rich biodiversity.

About Rove Beetle

  • Rove beetles (family Staphylinidae) are one of the largest beetle families.
  • Appearance: They are typically elongate, fast-moving beetles with shortened wing covers (elytra) that expose flexible abdominal segments.
  • Many species of these beetles can raise the abdomen in a scorpion-like defensive posture (not a true sting).
  • Preferred climate: sub-tropical, cold tolerant
  • Distribution: Rove beetles occupy almost all moist environments throughout the world.
  • Habitat: Typical microhabitats include leaf litter, soil surface, under bark, fungi, shorelines, dung, carrion, compost, and nests of social insects;
  • These are usually found around decaying animal and vegetable matter, preying on carrion-feeding insects. 
  • Features
    • Some large species are a brightly coloured black and yellow, thus resembling wasps; other rove beetles mimic soldier ants in both appearance and behaviour.
    • These predatory beetles are beneficial to farmers and gardeners, because they can reduce pest populations, also referred to as biological control
    • Lifespan is variable: adults may live ~2 weeks to ~12 months; total life cycle often ~1-24 months depending on climate and species.
    • Chemical defenses from abdominal glands; secretions can deter predators and may include irritants or antimicrobial compounds. 

Source: IT

Rove Beetle FAQs

Q1: What do Rove Beetles primarily feed on?

Ans: Decaying organic matter

Q2: What is the primary defense mechanism of Rove Beetles?

Ans: Releasing irritating chemicals

Indian Softshell Turtle

April 6, 2026
Indian Softshell Turtle

Indian Softshell Turtle Latest News

Recently, during a routine check police rescued 16 Indian Softshell turtles in Greater Noida.

About Indian Softshell Turtle

  • Indian softshell turtles (Nilssonia gangetica) are one of the largest freshwater turtle species in the world. 
  • It is also known as the Ganges Softshell turtle.
  • Appearance
    • It has carapace (upper shell), which is round to oval shaped, and green in colour with a yellow border.
    • It has a long neck and tube-like snouts help them to extend their nose out of the water to breathe.
    • The compressed shell, on the other hand, streamlines them, thereby making them brilliant and fast swimmers.
  • Habitat: These turtles inhabit deep rivers, streams, canals, lakes and ponds, typically preferring areas with sandy or muddy bottoms.
  • They thrive in turbid water and spend most of their time hidden under the sand.
  • Geographical Distribution: They are found in Afghanistan, India, Bangladesh and Pakistan.
  • Mainly found in Indus, Ganges, Meghna, Brahmaputra, Yamuna, Narmada and Mahanandi river basins.
  • Diet: Indian softshell turtles are omnivorous, feeding on fish, amphibians, mollusks, insects, carrion and aquatic plants. 
  • These turtles breed from February to April.
  • These are often maintained in the temple ponds of Orissa where they are considered sacred.
  • Threat: Habitat alteration and destruction, Poaching and illegal trading for traditional medicines, expansion of agriculture, commercial exploitation.
  • Conservation Status
    • IUCN Red List: Endangered
    • Wildlife Protection Act, 1972: Schedule I

Source: IE

Indian Softshell Turtle FAQs

Q1: What is the scientific name of the Indian Softshell Turtle?

Ans: Nilssonia gangeticus

Q2: Where is the Indian Softshell Turtle primarily found?

Ans: Rivers and lakes of northern India

BioNEST

April 6, 2026
BioNEST

BioNEST Latest News

Recently, the Union Minister inaugurated the Biotechnology Industry Research Assistance Council (BIRAC)-BioNEST Incubation Centre at the Central Food Technology & Research Institute (CFTRI) in Mysuru.

About BioNEST

  • The Bioincubators Nurturing Entrepreneurship for Scaling Technologies (Bio-NEST) was launched by Biotechnology Industry Research Assistance Council.
  • It was launched with a vision that focused on fostering the biotech innovation ecosystem in the country.
  • The BioNEST Incubators provide access to high end infrastructure, specialized and advanced equipment, business mentorship, IP, legal and regulatory guidance and networking opportunities to start-ups. 
  • The main objectives of the BioNEST scheme are to promote and establish Bioincubators in India which will:
    • Support and encourage startups and entrepreneurs in the biotech sector
    • Connect Industry and Academia and enable interactions for efficient exchange of knowledge as well as facilitate technical and business mentorship.
    • Provide enabling services and required mentorship for IP and Technology management, legal support, certifications, validation, regulatory requirements, resource mobilization and a unique networking platform.
  • Funding: The BIRAC funding for the BIRAC BioNEST Centres will be done in alignment with the Government’s umbrella scheme ‘Biotechnology Research Innovation and Entrepreneurship Development’ (Bio-RIDE).

Source: DD News

BioNEST FAQs

Q1: What is BioNEST?

Ans: A bioincubation center for startups

Q2: What is the primary objective of BioNEST?

Ans: To support biotech startups

Afghanistan

April 6, 2026
Afghanistan

Afghanistan Latest News

India has sent Humanitarian Assistance and Disaster Relief materials to Afghanistan, which is currently facing a difficult situation due to recent floods and earthquakes.

About Afghanistan

  • Location: It is a landlocked mountainous country in Southern Asia.
  • Bordering Countries: It is bordered by India (north east),  Pakistan in the east and south; Iran in the west; Turkmenistan, Uzbekistan and Tajikistan in the north and China in the northeast. 
  • Capital City: Kabul

Geographical Features of Afghanistan

  • Climate: It has hot summers and extremely cold winters which are typical in a semiarid steppe climate.
  • Mountain ranges: It consists of Hindu Kush, Pamir Mountains in the northeast and Safed Koh range in the south.
  • Major rivers: River Amu Darya, Helmand River, Kabul River
  • Highest Point: Mt. Nowshak (7,485 m). 
  • Natural Resources: It mainly consists of coal, copper, natural gas, petroleum, gold, lithium, uranium, gold, rare earth elements.

Source: News On Air

Afghanistan FAQs

Q1: What is the capital of Afghanistan?

Ans: Kabul

Q2: What are the major ethnic group in Afghanistan?

Ans: Pashtun, Tajik and Hazara

Obstructive Sleep Apnea

April 6, 2026
Obstructive Sleep Apnea

Obstructive Sleep Apnea Latest News

Scientists have found that those living with obstructive sleep apnea (OSA) have a 71 per cent higher risk of cardiovascular events (CVEs).

About Obstructive Sleep Apnea

  • It is the most common sleep-related breathing disorder. 
  • People with OSA repeatedly stop and start breathing while they sleep. 
  • These breath pauses are known as apneas.
  • It is characterised by recurrent upper airway obstruction during sleep and is associated with reduced quality of sleep and life and increased cardiovascular risk.
  • There are several types of sleep apnea. OSA occurs when the throat muscles relax and block the airway. 
  • Anyone at any age can have OSA. But it’s most common in middle-aged and older adults. 
  • This condition has significant implications for cardiovascular health, mental well-being, and quality of life.

Symptoms of Obstructive Sleep Apnea

  • Loud snoring
  • Pauses in breathing during sleep, often noticed by a partner.
  • Waking during the night gasping or choking.

Treatment for OSA

  • Making lifestyle changes like sleeping position adjustments (not sleeping on your back) or maintaining a weight that’s healthy for you.
  • Using a continuous positive airway pressure (CPAP) machine
  • Wearing oral appliances (mouthpieces)

Source: DD News

Obstructive Sleep Apnea FAQs

Q1: What is the primary cause of Obstructive Sleep Apnea?

Ans: Airway obstruction due to relaxed throat muscles

Q2: How is OSA typically diagnosed?

Ans: Sleep study (polysomnography)

Measles

April 6, 2026
Key Facts about Measles

Measles Latest News

Bangladesh launched an emergency vaccination campaign targeting more ​than a million children as a fast-spreading measles ‌outbreak sweeps across the country.

About Measles

  • Measles is a highly contagious, serious airborne disease caused by a virus.
  • Cause: It is caused by a virus in the paramyxovirus family.

Transmission of Measles

  • It spreads by contact with infected nasal or throat secretions (coughing or sneezing) or breathing the air that was breathed by someone with measles. 
  • The virus remains active and contagious in the air or on infected surfaces for up to two hours. 
  • The virus infects the respiratory tract, then spreads throughout the body, causing severe disease, complications, and even death.

Symptoms of Measles

  • The first sign of measles is usually high fever, beginning about 10 to 14 days after exposure to the virus and lasting four to seven days.
  • A runny nose, cough, red and watery eyes, and small white spots inside the cheeks can develop in the initial stage.
  • A rash erupts after several days, usually on the face and upper neck.

Who is at Risk of Measles?

  • Any non-immune person (not vaccinated or vaccinated but did not develop immunity) can become infected.
  • Unvaccinated young children and pregnant persons are at the highest risk of severe measles complications.

Measles Treatment

  • No specific antiviral treatment exists for measles.
  • It can be prevented with a safe and effective measles-rubella (MR) vaccine that gives long-term immunity

Source: TH

Measles FAQs

Q1: How is measles primarily transmitted?

Ans: Airborne droplets

Q2: What is the causative agent of measles?

Ans: Virus

Udanti- Sitanadi Tiger Reserve

April 6, 2026
Udanti Sitanadi Tiger Reserve

Udanti- Sitanadi Tiger Reserve Latest News

Recently, a rare Indian giant flying squirrel, a native of Western Ghats, was found in the Udanti- Sitanadi tiger reserve (USTR) in Chhattisgarh.

About Udanti- Sitanadi Tiger Reserve

  • Location: It is located in the state of Chhattisgarh.
  • It was established by joining the regions represented by Sitanadi and Udanti wildlife sanctuaries. 
  • Rivers: The drainage system of the reserve consists of the Mahanadi as the main river, along with the Udanti, Sitanadi, Indravan, and Pairi Rivers as tributaries.
  • The location of the reserve is strategic since it also connects with the Kanker and North Kondagaon forest divisions, forming a contiguous forest corridor to Indravati Tiger Reserve in the Bastar region.
  • There are 19 named mountains in the reserve. Deo Dongri is the highest point. The most prominent mountain is Atānga Dongar.
  • Vegetation: The forest type here is predominantly tropical dry and moist deciduous.
  • Flora: The forest is dominated by Sal (Shorea robusta), which forms dense patches across the landscape. 
    • Alongside, species such as Teak (Tectona grandis), Bamboo, Tendu, Mahua, Bija, and Harra contribute to the green diversity of the region.
  • Fauna: It is home to the last few herds of the highly endangered Wild Buffalo.
    • Apart from the tiger, other endangered and rare species are the Indian Wolf, Leopard, Sloth Bear, and Mouse Deer.

Source: DC

Udanti- Sitanadi Tiger Reserve FAQs

Q1: What is the dominant tree species in Udanti-Sitanadi Tiger Reserve?

Ans: Sal

Q2: Where is Udanti-Sitanadi Tiger Reserve located?

Ans: Chhattisgarh

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