UPSC Optional Notes

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🛡️ *Lake Naivasha, Kenya* ♟️A freshwater lake in the Great Rift Valley, Kenya. ♟️A Ramsar Site supporting rich biodiversity, including flamingos, hippos, and over 400 bird species. ♟️Known for its flower farms, supplying flowers worldwide, and supports fishing, tourism, and local agriculture. 💎 *Challenges* ♟️ *Water overuse* Excessive extraction for flower farms and irrigation. ♟️ *Climate change* Unpredictable rainfall and rising temperatures. ♟️ *Pollution* Runoff from farms and untreated sewage. 💎 *Global Relevance* ♟️Highlights the need for sustainable development and balance between economic activities and environmental conservation.

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*🛡️Pacific Ocean* *💎Warm Currents:-* ♟️1. Kuroshio Current (Japan Current) ♟️2. North Equatorial Current ♟️3. South Equatorial Current ♟️4. East Australian Current ♟️5. Equatorial Counter Current ♟️6. Alaskan Current *💎Cold Currents:-* ♟️1. Oyashio Current ♟️2. California Current ♟️3. Peru Current (Humboldt Current) ♟️4. West Wind Drift (part of Antarctic Circumpolar Current).

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*Montagu-Chelmsford Reforms and Government of India Act, 1919* • The British government, not prepared to part with or even share its power with the Indians, once again resorted to the policy of ‘carrot and stick’. The carrot was represented by the insubstantial Montagu- Chelmsford Reforms, while measures such as the Rowlatt Act represented the stick. Main Features • Provincial Government • Introduction of Dyarchy. • Provincial legislative councils were further expanded and 70 percent of the members were to be elected. • The system of communal and class electorates was further consolidated. • Central Government • No responsible government was envisaged in the Act for the government at the all-India level. • A bicameral arrangement was introduced. • The governor-general was to be the chief executive authority. • The Act clarified that there would be a gradual development of self-governing institution in India and not self-determination of the people of India.

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*🛡️LEADER OF THE HOUSE OF THE OPPOSITION* ♟️In each House of Parliament, there is the ‘Leader of the Opposition’. The leader of the largest Opposition party having not less than one-tenth seats of the total strength of the House is recognised as the leader of the Opposition in that House. ♟️In a parliamentary system of government, the leader of the opposition has a significant role to play. His main functions are to provide a constructive criticism of the policies of the government and to provide an alternative government. Therefore, the leader of Opposition in the Lok Sabha and the Rajya Sabha were accorded statutory recognition in 1977. ♟️They are also entitled to the salary, allowances and other facilities equivalent to that of a cabinet minister. ♟️It was in 1969 that an official leader of the opposition was recognised for the first time. The same functionary in USA is known as the ‘minority leader’.

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*🛡️Directive Principles Of State policy DPSP* ♟️The constitution of India aims to establish not only political democracy but also socioeconomic justice to the people to establish a welfare state. ♟️These provisions are given in Part IV of Indian Constitution. ♟️Directive Principles of state policy are in the form of instructions to the governments at the centre as well as states. ♟️Though these principles are non justiciable, they are fundamental in the governance of the country. ♟️The idea of the Directive Principles of State Policy has been taken from the Irish Republic . ♟️The Directive Principles of State policy were incorporated in our constitution in order to provide economic justice and to avoid concentration of wealth in the hands of few people. ♟️The constitution covers from Article 36 to 51 as Directive Principles of State Policy. ♟️They are unique blend of socialistic, liberal, democratic and Gandhian Principles. ♟️They describe as the ‘conscience of the constitution’. ♟️In the “State of Tamil Nadu etc. Vs L.Abu Kavur Bai” case in 1984 , the Supreme court held that although directive principles of State Policy are not enforceable, yet the court should not avoid them.

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*🛡️CENTRAL VIGILANCE COMMISSION (CVC)* ♟️Established - 1964 (Executive Resolution) ♟️Statutory Status - 2003 ♟️Recommended - By The Santhanam Committee on Prevention of Corruption (1962 - 1964). ♟️Works Under - The Prevention of Corruption Act, 1988 ♟️Organization - Central Vigilance Commissioner (Chairperson) , Two Vigilance Commissioners (Members) ♟️Consist - Secretariat, Chief Technical Examiners' Wing (CTE) and a wing of Commissioners for Departmental Inquiries (CDI) . ♟️Appointment Committee - The Prime Minister (Chairperson), The Minister of Home Affairs (Member) and The Leader of the Opposition in the Lok Sabha. ♟️Only Advisory Body .

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*🛡️Baghelkhand* ♟️Bagelkhand or Baghelkhand is a region and also a mountain range in central India that covers the northeastern regions of Madhya Pradesh and a small area of southeastern Uttar Pradesh ♟️It includes the Madhya Pradesh districts Rewa, Satna, Shahdol, Sidhi, and Singrauli and Chitrakoot of Uttar Pradesh. ♟️States : Madhya Pradesh and Uttar Pradesh ♟️Language : Bagheli Language of Hindustani dialect ♟️Bagelkhand is surrounded by the Indo-Gangetic plains in the north and east, Bundelkhand in the west and the Vindhya range in the south. ♟️Important tribes of this region : Uranv, kawar, Kol, Birhor.

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🛡️ *Significance Of Fundamental Duties* ♟️They serve as a reminder to the citizens that while enjoying their rights, they should also be conscious of duties they owe to their country, their society and to their fellow citizens. ♟️They serve as a warning against the anti-national and anti-social activities like burning the national flag, destroying public property and so on. ♟️They serve as a source of inspiration for the citizens and promote a sense of discipline and commitment among them. ♟️They help the courts in examining and determining the constitutional validity of a law. ♟️They are enforceable by law. Hence, the Parliament can provide for the imposition of appropriate penalty or punishment for failure to fulfil any of them.

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*🛡️Tropical Rain Destabilises Oceans Only When Light* *💎Key Findings* ♟️Scientists earlier believed rain makes the ocean’s surface more buoyant (due to freshwater being lighter) ♟️New study (Univ. of Washington, July 2025) finds light rain destabilises the ocean, but heavy rain stabilises it *💎Mechanism* ♟️Rain in tropics often comes with cold pools (cold, dry air + clouds) ♟️These cool the surface, block sunlight & transfer heat to air ♟️Thus, heavier rain makes surface cooler and more stable ♟️Light rain (0.2–4 mm/hr) increases mixing, while heavy rain = negative buoyancy flux (surface stays more stable) *💎Additional Observations* ♟️Rainfall at night destabilises oceans more than during the day ♟️Researchers identified: *⚜️Cold Rain Zone* (W. Pacific & Indian Ocean): High heat loss *⚜️Hot Rain Zone* (Central Pacific): Less heat loss *💎Impact on Climate* ♟️Ocean mixing affects carbon, heat, nutrient transport ♟️Rainfall dynamics influence weather and climate models ♟️Study highlights risk of prediction errors due to simplistic assumptions.

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*🛡️Ajivika Philosophy* – Key Idea Only *💎Founder* ♟️Makkhali Gosala *💎Core Belief System* ♟️Strict determinism — belief in destiny (Niyati) ♟️Rejects karma — everything is preordained, no role of karma in liberation *💎Path to Salvation* ♟️Liberation is automatic through cycles of rebirth, no conscious effort required

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Happy Diwali everyone May the joy and light of this beautiful Festival brighten your life, today and always. Happy Diwali to all of you 💐💐💐💐

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*🛡️Countries Along the Tropics & Equator with Mnemonics* *💎Tropic of Cancer (16 Countries)* *💎Mnemonic:- ESTONIA WC plays BBL in MMMMU* ♟️Egypt, Saudi Arabia, Taiwan, Oman, Niger, India, Algeria, Western Sahara, China, Bangladesh, Bahamas, Libya, Mali, Myanmar, Mexico, Mauritania, UAE. *💎Tropic of Capricorn (10 Countries)* *💎Mnemonic:- CAB PNB Se Mumbai Aai* ♟️Chile, Argentina, Brazil, Paraguay, Namibia, Botswana, South Africa, Mozambique, Madagascar, Australia. *💎Equator (13 Countries)* *💎Mnemonic:- ECB SaoTomo GCC UKS MIKi* ♟️Ecuador, Colombia, Brazil, Sao Tome & Principe, Gabon, Republic of Congo, DR Congo, Uganda, Kenya, Somalia, Maldives, Indonesia, Kiribati. > *_Hit 👍🏻❤️ To Appreciate Our Consistent Efforts_**🛡️Countries Along the Tropics & Equator with Mnemonics* *💎Tropic of Cancer (16 Countries)* *💎Mnemonic:- ESTONIA WC plays BBL in MMMMU* ♟️Egypt, Saudi Arabia, Taiwan, Oman, Niger, India, Algeria, Western Sahara, China, Bangladesh, Bahamas, Libya, Mali, Myanmar, Mexico, Mauritania, UAE. *💎Tropic of Capricorn (10 Countries)* *💎Mnemonic:- CAB PNB Se Mumbai Aai* ♟️Chile, Argentina, Brazil, Paraguay, Namibia, Botswana, South Africa, Mozambique, Madagascar, Australia. *💎Equator (13 Countries)* *💎Mnemonic:- ECB SaoTomo GCC UKS MIKi* ♟️Ecuador, Colombia, Brazil, Sao Tome & Principe, Gabon, Republic of Congo, DR Congo, Uganda, Kenya, Somalia, Maldives, Indonesia, Kiribati. Hit 👍🏻❤️ To Appreciate Our Consistent Efforts

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🛡️ *Swaran Singh Committee* ♟️In 1976, Congress Party set up the Sardar Swaran Singh Committee to make recommendations about fundamental duties, the need felt during the operation of the internal emergency (1975–1977). ♟️The committee recommended the inclusion of a separate chapter on fundamental duties in the Constitution. ♟️It stressed that the citizens should become conscious that in addition to the enjoyment of rights, they also have certain duties to perform as well. ♟️The Congress Government at Centre accepted these recommendations and enacted the 42nd Constitutional Amendment Act in 1976. ♟️This amendment added a new part, namely, Part IVA to the Constitution. This new part consists of only one Article, that is, Article 51A. ♟️Though Swaran Singh Committee suggested eight Fundamental Duties in the Constitution, the 42nd Constitutional Amendment Act (1976) included ten Fundamental Duties.

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🔸Finance Commission ✅Under Article 280 of the Constitution, the President constitutes the Finance Commission every 5 years. ✅The Finance Commission consists of a Chairman and four other members appointed by the President. ✅Under Article 281, the President places the recommendations of the Finance Commission before each House of Parliament. ✅The State Finance Commission is constituted under Article 243 (I) of the Indian Constitution. ✅The Finance Commission distributes the net proceeds of taxes between the Union and the States. ✅The Finance Commission lays down the principles governing grants-in-aid to the States from the Consolidated Fund of India.

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Nobel Prize in Physiology or Medicine 2025

The 2025 Nobel Prize for Physiology or Medicine has been awarded to Marie Brunko, Fred Ramsdell and Shimon Sakaguchi for discoveries concerning immune tolerance

फिजियोलॉजी या मेडिसिन के लिए 2025 का नोबेल पुरस्कार मैरी ब्रंको, फ्रेड रैम्सडेल और शिमोन सकागुची को "इम्यून टॉलरेंस" से संबंधित खोजों के लिए प्रदान किया गया है

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Nobel Prize in Physics 2025

The Royal Swedish Academy of Sciences has decided to award the 2025 #NobelPrize in Physics to John Clarke, Michel H. Devoret and John M. Martinis for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit.

रॉयल स्वीडिश एकेडमी ऑफ साइंसेज ने 2025 का भौतिकी का नोबेल पुरस्कार जॉन क्लार्क, मिशेल एच. डेवरैट और जॉन एम. मार्टिनिस को देने का निर्णय लिया है एक विद्युत परिपथ (electric circuit) में विशाल स्तर पर क्वांटम यांत्रिक टनलिंग (macroscopic quantum mechanical tunnelling) और ऊर्जा क्वांटीकरण (energy quantisation) की खोज के लिए।

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Nobel Prize in Chemistry 2025 The Royal Swedish Academy of Sciences has decided to award the 2025 #NobelPrize in Chemistry to Susumu Kitagawa, Richard Robson and Omar M. Yaghi “for the development of metal–organic frameworks. रॉयल स्वीडिश एकेडमी ऑफ साइंसेज ने 2025 का रसायन विज्ञान का नोबेल पुरस्कार सुसुमु कितागावा, रिचर्ड रॉबसन और ओमर एम. यागी को देने का निर्णय लिया है मेटल–ऑर्गेनिक फ्रेमवर्क्स (Metal–Organic Frameworks) के विकास के लिए।.