Archaeological Excavation in Dwaraka

• The Archaeological Survey of India's (ASI) Underwater Archaeology Wing has launched a new research expedition examining both onshore and offshore sites at Dwarka and Beyt Dwarka in Gujarat.
• Dwaraka – It is located on the western tip of the Kathiawar Peninsula and is one of the 4 Char Dhams, India's holiest sites.
• Char Dhams are considered the most important Hindu pilgrimage sites in India they are Rameswaram, Puri, Dwarka, and Badrinath.

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Atmospheric rivers

• They are a narrow, fast-moving band of moisture and wind like a river in the sky.
• It transports large amounts of water vapour.
• Occurrences – They occur all over the world but most common in the mid-latitudes.
• Formation – They form when large-scale weather patterns create narrow channels of intense moisture transport.
• They start over warm water typically tropical oceans, and are and guided towards the coast by low-level jet streams ahead of cold fronts of extratropical cyclones.
• The "Pineapple Express" is one of the strongest known atmospheric rivers, carrying moisture from tropical Pacific near Hawaii to the North American west coast.

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Saras Mk2 Aircraft

• Saras Mk2 is a 19-passenger, versatile civilian aircraft, upgraded version of Saras MK 1.
• It is the first Indian multi-purpose civilian aircraft in the light transport aircraft category.
• Aim - It enhances regional air travel throughout India, particularly targeting tier-2 and tier-3 towns that have limited airport facilities.
• Developed by - CSIR–National Aerospace Laboratories (CSIR–NAL) under the Ministry of Science and Technology.

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Chagas disease

• Chagas Disease - Also known as American trypanosomiasis, Chagas disease is a parasitic illness caused by Trypanosoma cruzi.
• It was discovered in 1909 by Brazilian physician Carlos Chagas.
• Transmission Pathways – The primary mode of transmission is through the bite or feces of infected triatomine bugs ("kissing bugs").
• Other routes include congenital transmission, blood transfusion, organ transplant, contaminated food, and lab accidents.
• It's not spread by casual contact.
• Disease Progression and Symptoms – The acute phase may present with fever, rash, and swollen glands.

Operation Meghdoot

• It was launched in response to Pakistan’s Operation to occupy the Siachen Glacier.
• Commemorating Operation Meghdoot – Siachen Day specifically marks the anniversary of Operation Meghdoot, launched on April 13, 1984.
• Operation Meghdoot involved the Army and Air Force securing the Siachen Glacier, not a naval operation.