1) 21st amendment of Sri Lanka: It will remove several key powers of the President, essentially reducing the Presidency to a ceremonial position, like in India.
- It is expected that the amendment might be retaining the powers of the President on all three armed forces while handing over almost all other key powers including governance, and cabinet ministers to the Prime Minister.
2) Single use plastic: it refers to plastic items that are used once and discarded.
- Single-use plastic has among the highest shares of plastic manufactured and used — from packaging of items, to bottles (shampoo, detergents, cosmetics), polythene bags, face masks
- Single-use plastic also accounts for the majority of plastic discarded
- The Ministry had already banned polythene bags under 75 microns in September 2021, expanding the limit from the earlier 50 microns. From December, the ban will be extended to polythene bags under 120 microns.
3) National Chambal Sanctuary (NCS): it is called a tri-state sanctuary due to its diverse area in three states.
- It emerges from the Vindhya hill range of Madhya Pradesh, flows in Rajasthan and merges in the Yamuna River, where five rivers meet called Pachanada in Uttar Pradesh.
- The Chambal river is one of the pollution-free rivers of India, which provides a perfect habitat for the Gangetic Gharials and the Gangetic Dolphins
- This is perhaps the only wetland sanctuary in India for the conservation and management of crocodiles
4) Spiny horntail dragonfly: Dragonfly enthusiasts have recorded the presence of a rare dragonfly that was hitherto unseen in Kerala. It was found earlier in Maharashtra.
5) Siruvani dam: it is a dam in Palakkad District, Kerala.
- This dam constructed across the Siruvani River, is for supplying drinking water to the city of Coimbatore in Tamil Nadu.
- The dam is surrounded by reserve forests. Muthikulam hill is situated on the eastern side of the dam. There is a natural waterfall in the hill.
- The location being in the state of Kerala, the project was executed by the Kerala Public Works Department using the funds made available by the Tamil Nadu Government.
- The Siruvani River is a river near Coimbatore. It is tributary of Bhavani river,which in turn is a tributary of Kaveri.
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