13apr2021 prelims newsletter

Daily Prelims Newsletter(UPSC)|13 April 2021 | RaghukulCS

Daily Prelims Newsletter For UPSC | RaghukulCS 13 April 2021 Table Of Contents Environment Dolphin Number increase in Chilka Lake Navegaon-Nagzira Tiger Reserve  Science and Technology Lithium-ion Batteries History Jyotirao Phule Places in News Umngot River  News in Short  Drug Controller General of India  Environment Dolphin Number increase in Chilka Lake: Why in News? According