21 Andaman Islands named after Param Vir Chakra awardees Subject: Geography Section: Mapping Concept: The Prime Minister of India named the 21 largest unnamed islands in the Andaman and Nicobar archipelago after 21 Param Vir Chakra awardees. In 2018, Ross Island was named after Netaji, Neil Island was renamed as Shaheed Island and […]

    How ISM variability led to more showers in the Bay Subject: Geography Subject : Climatology/ Atomosphere Context: Regions surrounding northern Bay of Bengal (BoB) received higher precipitation than the other parts of India for the last 10,200 years, says a new study. About the study and its findings: Birbal Sahni Institute of Paleosciences, […]

    Dry cold winter and rabi crop Subject: Geography Subject : Economic Geography Context: The India Meteorological Department has forecast “scattered to fairly widespread rainfall accompanied by thunderstorm activity” over Punjab, Haryana, Delhi and Uttar Pradesh though a fresh western disturbance is expected to bring more rain over northwest India. How will this impact […]

    China building dam close to India border Subject : International Relations /Geography Concept : The development comes in the wake of China unveiling plans to build a “super” dam close to the Line of Actual Control (LAC) in Tibet on the lower reaches of the Yarlung Zangbo river. The images depict the obstruction […]

    What led to unusually low temperature at Ooty’s fingerpost? Subject : Geography Section: Climatology Context: The day before Pongal dawned on Udhagamandalam, a local temperature gauge measured a frigid ground temperature of –6.3 degree celsius in the Fingerpost locality. What had caused the mercury to dip so low in Fingerpost? The subzero temperature […]

    A new study that traced the dynamics of Indian Summer Monsoon Rainfall (ISMR) over the 10000 years Subject :Geography Section : Atmosphere Context: Regions surrounding northern Bay of Bengal (BoB) received higher precipitation than the other parts of India for the last 10200 years, says a new study that traced the dynamics of […]

    ARI team recently discovered a rare low-altitude basalt plateau Subject :Geography Section :Geomorphology Context: A rare low-altitude basalt plateau housing 76 species of plants and shrubs from 24 different families discovered in Thane region in the Western Ghats, one of the four global biodiversity hotspots in India, can prove to be a repository […]

    NHPC submits pre-feasibility report on Upper Siang hydroelectric project, as counter to China’s dam on Brahmaputra Subject :Geography Section :Mapping Context: National Hydroelectric Power Corporation (NHPC) has submitted a pre-feasibility report to the Central Electricity Authority of India for the ‘Upper Siang Multipurpose Storage’, India’s largest hydel power project to date to come […]

    Temporary relief as plan for Etalin hydel in Arunachal junked Subject :Geography Section: Hydrology Context: The proposed Etalin hydroelectric project in Arunachal Pradesh has been scrapped in its present form because of the environmental threats due to the plant in a biodiversity hotspot. Details: The South Asia Network on Dams, Rivers and People […]

    Doppler Weather Radars Subject :Geography Section : Atmosphere What is RADAR? RADAR is the expansion for Radio, Detection and Ranging. Its basic components are a transmitter, receiver, antenna, power supply system, signal processing and high computing devices. It works on the principle of electromagnetic waves sent out by the transmitter. The same wave […]