✅ C. Rajagopalachari (Rajaji) was the first and last Indian Governor-General of India (1948–50). Lord Mountbatten was the last British Governor-General.

✅ Siraj-ud-Daulah, the Nawab of Bengal, fought against the British at the Battle of Plassey in 1757. This battle laid the foundation of British rule in India.

✅ The Partition of Bengal in 1905 by Lord Curzon sparked the Swadeshi Movement, where Indians boycotted British goods and promoted indigenous products.

✅ Subhas Chandra Bose (Netaji) gave the famous slogan “Jai Hind.” He also founded the Indian National Army (INA) and gave the motto “Tum mujhe khoon do, main tumhe azadi dunga.”

✅ Allan Octavian Hume, a retired British civil servant, founded the Indian National Congress in 1885. The first session was held in Bombay, with W.C. Bonnerjee as president.

✅ The Ganga is the longest river in India with a length of about 2,525 km. It originates from Gangotri Glacier in Uttarakhand and flows into the Bay of Bengal.

✅ Kerala is known as the “Spice Garden of India” due to its production of pepper, cardamom, ginger, cloves, and other spices. It is also called “God’s Own Country.”

✅ The Tropic of Cancer passes through 8 Indian states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram.

✅ K2 (Godwin Austen) at 8,611 m is the highest peak within Indian-administered territory (Ladakh/PoK). Kanchenjunga (8,586 m) is the highest peak entirely within India.

✅ The Quit India Movement (August Kranti) was launched on 8 August 1942 by Mahatma Gandhi at the Bombay session of the All India Congress Committee. The slogan was “Do or Die.”

✅ The Sundarbans, the world’s largest mangrove delta, is formed by the Ganga and Brahmaputra rivers in the Bay of Bengal. It is shared between India (West Bengal) and Bangladesh.

✅ Sardar Vallabhbhai Patel is known as the “Iron Man of India” for his role in integrating 562 princely states into independent India. He served as the first Deputy Prime Minister and Home Minister.

✅ The concept of Directive Principles of State Policy was borrowed from the Irish Constitution. These are guidelines for the State but not enforceable by courts.

✅ The 42nd Constitutional Amendment (1976), on the recommendations of the Swaran Singh Committee, added 10 Fundamental Duties in Part IV-A under Article 51A. The 86th Amendment (2002) added the 11th duty.

✅ The 44th Constitutional Amendment (1978) deleted Right to Property from Fundamental Rights. It is now a legal right under Article 300-A.

✅ Article 32 provides the Right to Constitutional Remedies. Dr. B.R. Ambedkar called it the “heart and soul” of the Constitution. It empowers the Supreme Court to issue writs.

✅ Habeas Corpus means “you must present the body.” It is issued to secure the release of a person from unlawful detention. It is the greatest safeguard of personal liberty.

✅ Originally 7, now 6 Fundamental Rights are guaranteed under the Constitution (Right to Property removed in 1978). These are: Right to Equality, Freedom, Against Exploitation, Freedom of Religion, Cultural & Educational Rights, and Constitutional Remedies.

✅ The 42nd Constitutional Amendment (1976) added the words “Socialist,” “Secular,” and “Integrity” to the Preamble, making India a Sovereign Socialist Secular Democratic Republic.

✅ Article 19(1)(a) guarantees freedom of speech and expression. Freedom of the Press is derived from this Article. The State can impose reasonable restrictions under Article 19(2).

✅ The minimum age to be a member of Rajya Sabha is 30 years, while for Lok Sabha it is 25 years. For President, it is 35 years; for voter, it is 18 years.

✅ Part III (Articles 12–35) of the Indian Constitution deals with Fundamental Rights. Part IV deals with Directive Principles, Part IV-A with Fundamental Duties, and Part II with Citizenship.

✅ NEP 2020 proposes a 5+3+3+4 curricular structure replacing the old 10+2 system: Foundational (5 yrs), Preparatory (3 yrs), Middle (3 yrs), and Secondary (4 yrs) stages.

✅ The Right to Education Act (RTE) 2009, under Article 21A, guarantees free and compulsory education to all children between 6 and 14 years of age.

✅ Beti Bachao Beti Padhao was launched on 22 January 2015 by PM Narendra Modi in Panipat, Haryana. It aims to address the declining Child Sex Ratio (CSR) and promote girl education.

✅ The Protection of Women from Domestic Violence Act was enacted in 2005 and came into force in 2006. It provides protection to women against domestic abuse including physical, emotional, and economic violence.

✅ “Manipuri is a classical dance form from Manipur state. It depicts stories of Radha and Krishna with graceful movements. West Bengal is known for Rabindra Nritya (Tagore dance).”

✅ Durga Puja of Kolkata was inscribed in UNESCO’s Representative List of the Intangible Cultural Heritage of Humanity in December 2021 — a matter of pride for West Bengal!

✅ Bankim Chandra Chattopadhyay composed “Vande Mataram” in Sanskrit in 1875 in his novel Anandamath (1882). Rabindranath Tagore composed the National Anthem “Jana Gana Mana.”

✅ Garba is the traditional folk dance of Gujarat, performed during the Navratri festival. UNESCO inscribed Garba of Gujarat on the Intangible Cultural Heritage list in 2023.

✅ The West Bengal Board of Secondary Education (WBBSE) conducts the Madhyamik (Class X) exams. The West Bengal Council of Higher Secondary Education (WBCHSE) conducts HS (Class XII) exams.

✅ The POSH Act (Prevention, Protection and Redressal of Sexual Harassment of Women at Workplace Act, 2013) protects women from workplace sexual harassment. It mandates an Internal Complaints Committee (ICC) in every organization with 10+ employees.

✅ CPU — Central Processing Unit is the “brain” of the computer. It performs arithmetic, logical, control, and input/output operations. It consists of ALU (Arithmetic Logic Unit) and CU (Control Unit).

✅ Keyboard is an input device — it sends data to the computer. Monitor, Printer, and Speaker are output devices (they display/produce results from the computer).

✅ WWW = World Wide Web. It was invented by Tim Berners-Lee in 1989. It is a system of interlinked hypertext documents and multimedia content accessed via the internet using a browser.

✅ Order: Bit < Byte < KB < MB < GB < TB (Terabyte) < PB. 1 TB = 1024 GB. Among the given options, Terabyte is the largest storage unit.

✅ The Kyoto Protocol (1997) is an international treaty that commits its parties to reduce greenhouse gas emissions. It was adopted under UNFCCC and came into force in 2005, addressing climate change.

✅ Project Tiger was launched on 1 April 1973 by PM Indira Gandhi at Jim Corbett National Park. It was initiated to protect the Bengal Tiger and its habitat. India now has 54 tiger reserves.

✅ Chlorofluorocarbons (CFCs) are the primary cause of ozone depletion. The Montreal Protocol (1987) was signed to phase out CFCs. The ozone layer absorbs harmful UV radiation from the sun.

✅ Silent Valley National Park is located in the Nilgiri Hills of Kerala. It is part of the Nilgiri Biosphere Reserve and is famous for its undisturbed tropical rainforest and lion-tailed macaques.

✅ Windows Operating System is system software — it manages computer hardware and provides services for application programs. MS Word, VLC, and Chrome are application software.

✅ World Environment Day is celebrated on June 5 every year, established by the UN in 1972 at the Stockholm Conference. April 22 is Earth Day; March 21 is World Forest Day.

✅ Viksit Bharat 2047 (Developed India 2047) is the Government of India’s vision to become a fully developed nation by 2047 — India’s 100th year of independence, with a $30 trillion economy.

✅ The Reserve Bank of India (RBI) was established on 1 April 1935 under the Reserve Bank of India Act, 1934, based on the Hilton Young Commission recommendations. It was nationalised in 1949.

✅ India won its first Olympic gold in field hockey in 1928 at the Amsterdam Olympics. Dhyan Chand was the legendary player. India won 8 Olympic gold medals in hockey (1928–1980).

✅ D. Gukesh from Chennai, Tamil Nadu became the 18th World Chess Champion in November 2024, defeating China’s Ding Liren. He became the youngest World Chess Champion in history.

✅ ISRO’s Chandrayaan-3 successfully soft-landed on the Moon’s South Pole on 23 August 2023, making India the first nation to land near the lunar south pole. The landing day is now celebrated as National Space Day.

✅ State Bank of India (SBI) is India’s largest public sector bank and the country’s largest bank overall by assets, deposits, branches, and employees. It was founded in 1955 (SBI Act).

✅ India’s GST was implemented from 1 July 2017, replacing multiple indirect taxes. It follows the “One Nation One Tax” principle and has 4 slabs: 5%, 12%, 18%, and 28%.

✅ The Durand Cup is one of the world’s oldest football tournaments (est. 1888). In recent years it is primarily hosted in Kolkata, West Bengal — the football capital of India.