National Events & Observances — Dates & Significance

How to Use This Chapter in Your Final Week

By the time you reach this chapter, you have already read the full book once, maybe twice. This is not a chapter to "study" the way you studied History or Polity earlier. Treat it as a control room. In the last seven days before your RRB NTPC exam, your job is not to learn new things; it is to stop forgetting old things. Every topper you have heard of who "revised smartly" in the final week was really doing one thing: running their eyes over dense fact lists two or three times a day, testing themselves without looking, and marking the two or three items that keep slipping. That is exactly what this chapter is built for.

Go subject by subject, not top to bottom in one sitting. Spend twenty minutes on History facts in the morning, twenty on Geography after lunch, twenty on Polity and Economy in the evening, and use the tables as a self-test: cover the answer column with your hand and see how many you get right without hesitation. Anything you hesitate on for more than two seconds, circle it. Those circled items are your actual revision list for day two. Do not re-read everything daily; that wastes the one resource you cannot buy back this week, which is time. This chapter deliberately skips explanations you have already read in earlier chapters. If a one-liner here confuses you, that is a signal to flip back to the relevant chapter for the full story, not to memorise it blind.

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Section 1: History — Rapid Fire

• The Indus Valley Civilization flourished roughly between 2500 BCE and 1750 BCE, with Mohenjo-daro on the Indus and Harappa on the Ravi as its two largest sites.
• Lothal in Gujarat is famous for its dockyard, evidence of maritime trade.
• The Rig Veda, the oldest of the four Vedas, was composed in the Early Vedic Period (roughly 1500–1000 BCE).
• Gautam Buddha (born Siddhartha) attained enlightenment at Bodh Gaya and gave his first sermon at Sarnath.
• Mahavira, the 24th Tirthankara of Jainism, was a contemporary of Buddha and preached in Magadha.
• Chandragupta Maurya founded the Mauryan Empire around 321 BCE with the help of his advisor Chanakya (Kautilya), author of the Arthashastra.
• Ashoka, grandson of Chandragupta, embraced Buddhism after the bloody Kalinga War (261 BCE) and spread his message through edicts on rocks and pillars.
• The Gupta period (4th–6th century CE) is called the "Golden Age" for advances in mathematics, astronomy, and literature; Aryabhata and Kalidasa belong to this era.
• Harshavardhana ruled north India in the 7th century; the Chinese traveller Hiuen Tsang visited his court.
• The Chola dynasty of south India built the Brihadeeswarar Temple at Thanjavur and ran one of history's most efficient local self-government systems.
• Muhammad Ghori defeated Prithviraj Chauhan at the Second Battle of Tarain (1192), opening the door to Delhi Sultanate rule.
• The Delhi Sultanate ran through five dynasties: Slave (Mamluk), Khilji, Tughlaq, Sayyid, and Lodi.
• Babur defeated Ibrahim Lodi at the First Battle of Panipat (1526), founding the Mughal Empire.
• Akbar introduced the Mansabdari system and Din-i-Ilahi; his reign is considered the peak of Mughal administration.
• Shivaji founded the Maratha Empire and was crowned Chhatrapati at Raigad in 1674.
• The British East India Company won the Battle of Plassey (1757) against Siraj-ud-Daulah, marking the start of British political control in Bengal.
• The Battle of Buxar (1764) confirmed British dominance, after which the Company gained Diwani rights over Bengal, Bihar, and Odisha (1765).
• The Revolt of 1857 began at Meerut on 10 May 1857; Mangal Pandey at Barrackpore is often cited as an early spark earlier that year.
• The Indian National Congress was founded in 1885 by A.O. Hume, with W.C. Bonnerjee as its first president.
• Bal Gangadhar Tilak, Bipin Chandra Pal, and Lala Lajpat Rai formed the Lal-Bal-Pal trio of extremist nationalists.
• The Partition of Bengal (1905) by Lord Curzon triggered the Swadeshi Movement; it was annulled in 1911.
• Mahatma Gandhi returned from South Africa in 1915 and led three major movements: Non-Cooperation (1920), Civil Disobedience (1930), and Quit India (1942).
• The Dandi March, part of the Civil Disobedience Movement, began on 12 March 1930 and ended with Gandhi breaking the salt law at Dandi on 6 April 1930.
• Subhas Chandra Bose formed the Indian National Army (INA) and gave the call "Give me blood, and I shall give you freedom."
• Bhagat Singh, Rajguru, and Sukhdev were hanged on 23 March 1931, now observed as Shaheed Diwas.
• India got independence on 15 August 1947; the Constitution came into force on 26 January 1950.

Section 2: Geography — Rapid Fire

• The Himalayas are young fold mountains formed by the collision of the Indian and Eurasian tectonic plates.
• Kanchenjunga in Sikkim is India's highest peak; K2 is the highest in the undivided Indian subcontinent but lies in Pakistan-occupied territory.
• India's coastline runs about 7,516 km, touching the Arabian Sea, Bay of Bengal, and the Indian Ocean.
• Rajasthan is India's largest state by area; Goa is the smallest.
• Uttar Pradesh is India's most populous state as per the 2011 Census.
• India's Standard Meridian is 82.5° E, passing near Mirzapur, and IST is 5:30 hours ahead of GMT.
• The Tropic of Cancer (23.5° N) passes through eight Indian states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram.
• The Thar Desert lies in Rajasthan; the Rann of Kutch in Gujarat is a salt marsh famous for its white desert.
• India has three main mountain systems: the Himalayas, the Aravallis (one of the oldest fold mountain ranges in the world), and the Western and Eastern Ghats.
• Anaimudi in the Western Ghats (Kerala) is the highest peak in peninsular India.
• The Indian monsoon has two branches: the South-West Monsoon (June–September, main rain-bearer) and the North-East Monsoon (October–December, brings winter rain to Tamil Nadu).
• Mawsynram in Meghalaya is often cited as the wettest place on Earth, narrowly ahead of nearby Cherrapunji.
• Jog Falls on the Sharavathi River in Karnataka is among India's highest waterfalls.
• Sundarbans, spread across India and Bangladesh, is the world's largest mangrove forest and home to the Royal Bengal Tiger.
• Chilika Lake in Odisha is India's largest brackish water lagoon.
• Wular Lake in Jammu & Kashmir is India's largest freshwater lake.
• Salt Lake City (Sambhar Lake) in Rajasthan is India's largest saline lake.
• India's major soil types include alluvial (most fertile, found in river plains), black/regur (ideal for cotton, found in the Deccan), red, laterite, and desert soil.
• Kaziranga National Park in Assam protects the one-horned rhinoceros.
• Sundarbans, Kaziranga, and the Western Ghats are UNESCO World Heritage Natural Sites in India.
• The Deccan Plateau is one of the oldest landmasses on Earth, rich in mineral deposits.

Section 3: Polity — Rapid Fire

• India adopted a written, federal Constitution with a unitary bias, the longest in the world for any sovereign nation.
• Dr. B.R. Ambedkar chaired the Drafting Committee of the Constituent Assembly.
• The Constituent Assembly was chaired by Dr. Rajendra Prasad, who later became India's first President.
• The Constitution borrowed the concept of Fundamental Rights from the USA and the Directive Principles of State Policy from Ireland.
• The Preamble declares India a Sovereign, Socialist, Secular, Democratic Republic; "Socialist" and "Secular" were added by the 42nd Amendment (1976).
• Fundamental Rights are covered in Part III, Articles 12 to 35.
• Directive Principles of State Policy are in Part IV, Articles 36 to 51, and are non-justiciable (not enforceable in court).
• Fundamental Duties were added by the 42nd Amendment and are listed in Article 51A.
• The President of India is the constitutional head of state, elected indirectly by an Electoral College.
• The Prime Minister is the real executive head, appointed by the President and answerable to the Lok Sabha.
• The Lok Sabha (House of the People) has a maximum strength of 552 members; its normal term is 5 years.
• The Rajya Sabha (Council of States) is a permanent body; one-third of its members retire every two years.
• The Supreme Court of India is the apex judicial authority, headed by the Chief Justice of India.
• Article 32, which allows citizens to move the Supreme Court for enforcement of Fundamental Rights, was called the "heart and soul" of the Constitution by Dr. Ambedkar.
• Article 370, which gave special status to Jammu & Kashmir, was abrogated in August 2019.
• Panchayati Raj was given constitutional status by the 73rd Amendment (1992); municipalities by the 74th Amendment (1992).
• The Election Commission of India is a constitutional body under Article 324, responsible for conducting free and fair elections.
• The Comptroller and Auditor General (CAG) audits government accounts and is described as the "guardian of the public purse."
• Money Bills can only be introduced in the Lok Sabha, as per Article 110.
• A Constitutional Amendment is governed by Article 368; some amendments need a special majority plus ratification by half the states.
• Emergency provisions in the Constitution cover three types: National Emergency (Art. 352), President's Rule (Art. 356), and Financial Emergency (Art. 360).

Section 4: Economy — Rapid Fire

• The Reserve Bank of India (RBI), founded in 1935, is India's central bank and regulates monetary policy.
• India's currency, the Rupee, is issued by the RBI except for the one-rupee note and coin, which are issued by the Ministry of Finance.
• Repo rate is the rate at which the RBI lends to commercial banks; reverse repo rate is the rate at which it borrows from them.
• India's Five-Year Plans ran from 1951 to 2017, after which they were replaced by NITI Aayog's policy documents.
• NITI Aayog (National Institution for Transforming India) replaced the Planning Commission in 2015.
• GDP (Gross Domestic Product) measures the total value of goods and services produced within a country's borders in a given period.
• GST (Goods and Services Tax) was rolled out on 1 July 2017, replacing a web of indirect taxes with a single tax structure.
• India's economy is broadly divided into three sectors: Primary (agriculture, mining), Secondary (manufacturing), and Tertiary (services).
• The Green Revolution, led by agricultural scientist M.S. Swaminathan in the 1960s, boosted wheat and rice production dramatically.
• The 1991 economic reforms, under Finance Minister Manmohan Singh, opened India's economy through Liberalization, Privatization, and Globalization (LPG).
• Inflation is measured mainly through the Consumer Price Index (CPI) and Wholesale Price Index (WPI).
• The Sensex (Bombay Stock Exchange) and Nifty (National Stock Exchange) are India's two benchmark stock indices.
• Disinvestment refers to the government selling its stake in public sector undertakings.
• SEBI (Securities and Exchange Board of India) regulates the securities market.
• NABARD provides credit and development support for agriculture and rural development.

Section 5: Science — Rapid Fire

• SI unit of force is the Newton; of energy, the Joule; of power, the Watt.
• Newton's Three Laws of Motion describe inertia, the relationship between force and acceleration, and action-reaction pairs.
• Photosynthesis occurs in the chloroplasts of plant cells, converting carbon dioxide and water into glucose using sunlight.
• The human heart has four chambers: two atria and two ventricles, and pumps roughly 5 litres of blood per minute at rest.
• Vitamin C deficiency causes scurvy; Vitamin D deficiency causes rickets in children.
• DNA (Deoxyribonucleic Acid) carries genetic information and has a double-helix structure, discovered by Watson and Crick in 1953.
• The pH scale runs from 0 to 14; a pH of 7 is neutral, below 7 is acidic, above 7 is basic.
• Sound cannot travel through a vacuum because it needs a medium; light can travel through a vacuum.
• Atomic number equals the number of protons in an atom's nucleus; mass number equals protons plus neutrons.
• The periodic table arranges elements by increasing atomic number; Dmitri Mendeleev created the first widely accepted version.
• Isotopes are atoms of the same element with the same number of protons but different numbers of neutrons.
• Sedimentary, igneous, and metamorphic are the three main classes of rock.
• The electromagnetic spectrum ranges from radio waves (longest wavelength) to gamma rays (shortest wavelength), with visible light in the middle.
• Antibiotics work against bacteria, not viruses; this is a common exam trap in mixed Science questions.
• Insulin, which regulates blood sugar, is produced by the pancreas.

Section 6: Computer Awareness — Rapid Fire

• A computer's basic architecture rests on the CPU (Central Processing Unit), which itself contains the ALU (Arithmetic Logic Unit) and the CU (Control Unit).
• RAM (Random Access Memory) is volatile, meaning it loses data when power is switched off; ROM (Read Only Memory) is non-volatile.
• 1 Byte = 8 Bits; storage grows from Byte to Kilobyte to Megabyte to Gigabyte to Terabyte.
• LAN (Local Area Network) covers a small area like an office; WAN (Wide Area Network) spans cities or countries; the internet is the largest WAN.
• HTML (HyperText Markup Language) structures web pages; CSS styles them; JavaScript adds interactivity.
• URL stands for Uniform Resource Locator, the address used to access a resource on the internet.
• IP address is a unique numerical label assigned to every device connected to a network.
• Firewall software or hardware protects a network by filtering incoming and outgoing traffic.
• Malware is an umbrella term for viruses, worms, trojans, and spyware designed to damage or exploit systems.
• Operating systems manage hardware and software resources; examples include Windows, Linux, and macOS.
• Cloud computing delivers computing services, storage, and processing over the internet instead of a local device.
• Cache memory sits between the CPU and RAM, offering faster access to frequently used data.
• Shortcut keys: Ctrl+C copies, Ctrl+V pastes, Ctrl+Z undoes, Ctrl+S saves.
• E-mail uses SMTP (Simple Mail Transfer Protocol) to send messages and POP3/IMAP to retrieve them.
• Artificial Intelligence (AI) refers to machines simulating human intelligence, including learning and problem-solving.

Section 7: Static GK — Rapid Fire

• National Emblem: adapted from the Lion Capital of Ashoka at Sarnath; the motto "Satyameva Jayate" is taken from the Mundaka Upanishad.
• National Flag: adopted on 22 July 1947; the wheel in the centre is the Ashoka Chakra with 24 spokes.
• National Anthem: "Jana Gana Mana" written by Rabindranath Tagore, adopted on 24 January 1950.
• National Song: "Vande Mataram" written by Bankim Chandra Chattopadhyay.
• National Animal: Royal Bengal Tiger; National Bird: Peacock; National Flower: Lotus; National Fruit: Mango; National Tree: Banyan.
• National Aquatic Animal: Ganges River Dolphin; National Heritage Animal: Elephant.
• Ashoka Chakra in the flag represents the eternal wheel of law, "Dharma Chakra."
• India's official languages listed in the Eighth Schedule number 22.
• Jallianwala Bagh massacre (1919) took place in Amritsar, Punjab.
• The Rashtrapati Bhavan in New Delhi, designed by Edwin Lutyens, is the President's official residence.
• The India Gate in Delhi commemorates soldiers who died in World War I and the Afghan wars.
• Statue of Unity, the world's tallest statue, honours Sardar Vallabhbhai Patel and stands in Gujarat.
• Bharat Ratna is India's highest civilian award; the first recipients in 1954 included C. Rajagopalachari, C.V. Raman, and Dr. Sarvepalli Radhakrishnan.
• Param Vir Chakra is India's highest military honour for gallantry.
• UNESCO World Heritage Sites in India include the Taj Mahal, Qutub Minar, Red Fort, and Ajanta-Ellora Caves, among many others.

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Memory Tables

Important Articles at a Glance

Article	Subject
Article 14	Equality before law
Article 19	Six fundamental freedoms (speech, assembly, etc.)
Article 21	Protection of life and personal liberty
Article 21A	Right to Education (free education, age 6–14)
Article 32	Right to Constitutional Remedies
Article 44	Uniform Civil Code (Directive Principle)
Article 51A	Fundamental Duties
Article 76	Attorney General of India
Article 148	Comptroller and Auditor General
Article 324	Election Commission
Article 352	National Emergency
Article 356	President's Rule
Article 360	Financial Emergency
Article 368	Amendment of the Constitution

Five-Year Plans Summary

Plan	Period	Focus
First Plan	1951–56	Agriculture and irrigation
Second Plan	1956–61	Heavy industries (Mahalanobis model)
Third Plan	1961–66	Agriculture and industry balance; disrupted by wars
Plan Holiday	1966–69	Annual plans due to war and drought
Fourth Plan	1969–74	Growth with stability, "Garibi Hatao"
Fifth Plan	1974–78	Poverty removal and self-reliance
Sixth Plan	1980–85	Poverty alleviation, family planning
Seventh Plan	1985–90	Food, employment, productivity
Eighth Plan	1992–97	Human resource development, reforms
Ninth Plan	1997–2002	Growth with social justice
Tenth Plan	2002–07	Doubling per capita income
Eleventh Plan	2007–12	Faster, more inclusive growth
Twelfth Plan	2012–17	Faster, sustainable, inclusive growth (last Five-Year Plan)

Major Rivers and Their Origins

River	Origin
Ganga	Gangotri Glacier (Uttarakhand)
Yamuna	Yamunotri Glacier (Uttarakhand)
Brahmaputra	Angsi Glacier, Tibet (known as Yarlung Tsangpo there)
Indus	Near Lake Mansarovar, Tibet
Godavari	Trimbakeshwar, Maharashtra (largest peninsular river)
Krishna	Mahabaleshwar, Maharashtra
Narmada	Amarkantak, Madhya Pradesh (flows west)
Tapi	Multai, Madhya Pradesh (flows west)
Mahanadi	Sihawa, Chhattisgarh
Kaveri	Talakaveri, Karnataka

Important Battles and Years

Battle	Year	Significance
First Battle of Panipat	1526	Babur defeats Ibrahim Lodi, founds Mughal Empire
Second Battle of Panipat	1556	Akbar's forces defeat Hemu
Third Battle of Panipat	1761	Ahmad Shah Abdali defeats the Marathas
Battle of Plassey	1757	British defeat Siraj-ud-Daulah, start of Company rule
Battle of Buxar	1764	Confirms British control, leads to Diwani rights
Battle of Haldighati	1576	Maharana Pratap vs. Mughal forces under Akbar

Scientific Discoveries and Scientists

Discovery	Scientist
Theory of Gravity	Isaac Newton
Theory of Relativity	Albert Einstein
Laws of Motion	Isaac Newton
Structure of DNA	James Watson and Francis Crick
Periodic Table	Dmitri Mendeleev
Penicillin	Alexander Fleming
Radioactivity	Marie Curie and Pierre Curie
Theory of Evolution	Charles Darwin
X-rays	Wilhelm Roentgen
Vaccination (smallpox)	Edward Jenner

National Parks and Their Famous Residents

National Park	State	Famous For
Kaziranga	Assam	One-horned rhinoceros
Jim Corbett	Uttarakhand	India's first national park; tigers
Gir	Gujarat	Only home of the Asiatic lion
Sundarbans	West Bengal	Royal Bengal Tiger, mangroves
Ranthambore	Rajasthan	Tigers
Periyar	Kerala	Elephants

Memory hook: For the four Vedas in order, remember "R-S-Y-A": Rig (hymns), Sama (music), Yajur (rituals), Atharva (everyday life/magic). Reciting it like a small drumbeat, "Rig-Sama-Yajur-Atharva," under exam pressure takes less than two seconds and rarely fails.

Exam trap: Students regularly swap the Gupta period ("Golden Age" of science and literature) with the Mauryan period (known for administrative and military expansion under Ashoka). If the question mentions Aryabhata or Kalidasa, the answer is Gupta, not Maurya.

Exam trap: The Rajya Sabha is often wrongly called a body that can be dissolved. It cannot; only the Lok Sabha is subject to dissolution. Roughly one-third of Rajya Sabha members retire every two years instead.

Awards and Their Fields

Award	Field
Bharat Ratna	Highest civilian award, any field of exceptional service
Param Vir Chakra	Highest military gallantry award
Ashoka Chakra	Highest peacetime gallantry award
Jnanpith Award	Literature
Arjuna Award	Outstanding sporting achievement
Dronacharya Award	Excellence in sports coaching
Padma Shri, Padma Bhushan, Padma Vibhushan	Civilian awards for distinguished service, in ascending order of rank

Run through this compendium at least twice before exam day, once slowly with the tables covered for self-testing, and once quickly as a final skim on the morning of the exam itself. That second pass is often where a forgotten date or article number clicks back into place right when you need it. Keep a small notepad handy while revising and jot down only the facts you got wrong on the first pass; by the third day, that shrinking notepad becomes your real revision material, far more useful than re-reading a chapter you already know cold. Confidence in this exam usually comes not from knowing everything, but from knowing exactly which few things you still need to check before you walk in.