The Officer's Secret Tricks: Comprehensive Study Guide (50 Tricks for Competitive Exams)

Constitutional Schedules and State Borders

  • The 12 Schedules of the Constitution: A mnemonic to remember all 1212 schedules is TEARS OF OLD PM.

    • T (Territories): Schedule 11 - Pertains to States and Union Territories.
    • E (Emoluments): Schedule 22 - Deals with salaries and emoluments of high officials.
    • A (Affirmations): Schedule 33 - Contains forms of Oaths and Affirmations.
    • R (Rajya Sabha): Schedule 44 - Allocation of seats in the Council of States.
    • S (Scheduled Areas): Schedule 55 - Administration and control of scheduled areas and tribes.
    • O (Other Areas): Schedule 66 - Provisions for tribal areas in Assam, Meghalaya, Tripura, and Mizoram.
    • F (Federal): Schedule 77 - Division of powers (Union, State, and Concurrent lists).
    • O (Official Languages): Schedule 88 - Lists the 2222 recognized languages.
    • L (Land Reforms): Schedule 99 - Validation of certain Acts and Regulations.
    • D (Defection): Schedule 1010 - Provisions regarding disqualification on grounds of defection.
    • P (Panchayats): Schedule 1111 - Powers, authority, and responsibilities of Panchayats.
    • M (Municipalities): Schedule 1212 - Powers, authority, and responsibilities of Municipalities.
  • Indian Standard Time (IST - 82.5∘ E82.5^{\circ}\,E): The 55 states through which the IST meridian passes are remembered by UP in COMA.

    • UP: Uttar Pradesh.
    • C: Chhattisgarh.
    • O: Odisha.
    • M: Madhya Pradesh.
    • A: Andhra Pradesh.
  • Tropic of Cancer in India: The 88 states where the Tropic of Cancer (23.5∘ N23.5^{\circ}\,N) passes are remembered by the mnemonic Grum J CHMTM.

    • The states are: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram.
  • Legislative Councils (Vidhan Parishad): The 66 states that possess a Legislative Council are remembered by KUMBAT.

    • K: Karnataka.
    • U: Uttar Pradesh.
    • M: Maharashtra.
    • B: Bihar.
    • A: Andhra Pradesh.
    • T: Telangana.
  • International Borders with India: The 77 neighboring countries sharing land borders, ordered by length, are remembered by BACHPAN MBA.

    • BA: Bangladesh.
    • CH: China.
    • PA: Pakistan.
    • N: Nepal.
    • M: Myanmar.
    • B: Bhutan.
    • A: Afghanistan.

Biological and Chemical Sciences

  • Vitamins and Chemical Names: The common name for vitamins A,B,C,D,E,KA, B, C, D, E, K is remembered by Rath Ek Toffee.

    • Vitamin A: Retinol.
    • Vitamin B: Thiamine.
    • Vitamin C: Ascorbic Acid.
    • Vitamin D: Calciferol.
    • Vitamin E: Tocopherol.
    • Vitamin K: Phylloquinone.
  • Vitamin Solubility:

    • Water Soluble Vitamins: Remembered by WBC (W=WaterW = \text{Water}, vitamins are BB and CC).
    • Fat Soluble Vitamins: Remembered by KEDA (Vitamins K,E,D,AK, E, D, A).
  • Alloys:

    • Brass: Composed of Copper (CuCu) and Zinc (ZnZn).
    • Bronze: Composed of Copper (CuCu) and Tin (SnSn).
  • Blood Groups:

    • Universal Donor: Blood group O−O^{-}.
    • Universal Recipient: Blood group AB+AB^{+}.
  • Newton's Laws of Motion: Remembered by the mnemonic IBA.

    • I: Inertia (1st1^{st} Law).
    • B: Balance/Force (2nd2^{nd} Law, F=maF = ma).
    • A: Action/Reaction (3rd3^{rd} Law).
  • Bacterial Diseases: Common bacterial infections are recalled using TCT.

    • TB: Tuberculosis.
    • C: Cholera.
    • T: Typhoid.

History and Geography

  • Delhi Sultanate Dynasties: The sequence is remembered as Ba-Khi-Tu-Sa-Lo.

    • Slave (Mamluk), Khilji, Tughlaq, Sayyid, and Lodi.
  • Major Battles of Babur: Four consecutive victories from 15261526 to 15291529.

    • Panipat (15261526).
    • Khanwa (15271527).
    • Chanderi (15281528).
    • Ghagra (15291529).
  • Mughal Emperors: The sequence is remembered by BHAJSA.

    • B: Babur.
    • H: Humayun.
    • A: Akbar.
    • J: Jahangir.
    • S: Shah Jahan.
    • A: Aurangzeb.
  • Indus Valley Civilization (IVC) Boundaries: Remembered by NEWS - MADS.

    • North: Manda.
    • East: Alamgirpur.
    • South: Daimabad.
    • West: Sutkagendor.
  • Excavators of IVC Sites: Remembered by HD & MR.

    • Harappa: Excavated by Daya Ram Sahni.
    • Mohenjodaro: Excavated by R. D. Banerji.
  • Buddhist Councils: The locations are remembered by RV P K.

    • Rajgir, Vaishali, Pataliputra, and Kashmir.
  • Indus River Tributaries: The five rivers of Punjab are remembered by JC RABS.

    • Jhelum, Chenab, Ravi, Beas, and Sutlej.
  • Ganga River Tributaries: A specific set includes Ramganga, Kali, Gandak, Kosi, Gomti, and Ghagra.

  • Yamuna River Tributaries: Remembered as Ken, Betwa, Chambal, and Sindh.

Political Science and Economics

  • Fundamental Rights (Articles 1414 to 3232): Categories include:

    • Right to Equality.
    • Right to Freedom.
    • Right against Exploitation.
    • Right to Freedom of Religion.
    • Cultural and Educational Rights.
    • Right to Constitutional Remedies.
  • Article 1919 Freedoms: Remembered by BAWA.

    • B: Basis of Speech and Expression.
    • A: Assembly and Association.
    • W: Walking (Movement) throughout India.
    • A: Abode (Residence) and Profession.
  • Types of Writs: The 55 writs issued by courts are HC PM Q.

    • HC: Habeas Corpus.
    • P: Prohibition.
    • M: Mandamus.
    • C: Certiorari.
    • Q: Quo-Warranto.
  • Direct Taxes: Remembered by WEPRO CO.IN.

    • Wealth Tax, Property Tax, Corporate Tax, and Income Tax.
  • Indirect Taxes: Remembered by EXCUSE ME.

    • Excise Tax, Custom Tax, Service Tax, Market Tax (VAT), and Entertainment Tax.
  • Core Industries of India: The 88 core sectors are remembered by CCC FRENS.

    • Coal, Crude Oil, Cement, Fertilizers, Refinery Products, Electricity, Natural Gas, and Steel.
  • Economic Plans: The models for the first three Five-Year Plans are H-M-G.

    • 1st1^{st}: Harrod-Domar Model.
    • 2nd2^{nd}: Mahalanobis Model.
    • 3rd3^{rd}: Gadgil Plan.
  • Inflation Definition: Summarized as "Too much money chasing too few goods," leading to a rise in prices and a decrease in the purchasing power of currency.

International Organizations and Global Geography

  • United Nations Security Council: The 55 permanent members are remembered by FACER.

    • F: France.
    • A: America (USA).
    • C: China.
    • E: England (UK).
    • R: Russia.
  • SAARC Nations: The 88 members are remembered by MBBS PAIN.

    • Maldives, Bhutan, Bangladesh, Sri Lanka, Pakistan, Afghanistan, India, and Nepal.
  • G-7 Nations: The member countries are remembered by JUICE GF.

    • Japan, USA, Italy, Canada, England, Germany, and France.
  • Oceans of the World: Remembered by PAISA.

    • P: Pacific Ocean.
    • A: Atlantic Ocean.
    • I: Indian Ocean.
    • S: Southern Ocean.
    • A: Arctic Ocean.
  • The Great Lakes of North America: Remembered by HOMES.

    • Huron, Ontario, Michigan, Erie, and Superior.
  • Countries Using Rupee as Currency: Remembered by MAMA SRI NE BHAI SE PAI MAANGI.

    • Includes Maldives, Mauritius, Sri Lanka, Nepal, Bharat (India), Indonesia, Seychelles, and Pakistan.

General Knowledge and Miscellaneous

  • Kumbh Mela Locations: The four locations are Prayag (Prayagraj), Haridwar, Ujjain, and Nashik.

  • Planets of the Solar System: Sequence from the Sun is My Very Educated Mother Just Served Us Nuts.

    • Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
  • Atmospheric Layers: Sequence from the ground up is Trust Me In The Exam.

    • Troposphere, Stratosphere, Mesosphere, Ionosphere/Thermosphere, and Exosphere.
  • Bharat Ratna 19541954 Recipients: The first three recipients are the 3 R's.

    • C. Rajagopalachari, Sarvepalli Radhakrishnan, and C.V. Raman.
  • Constitutional Committees and Heads:

    • Union Power/Constitution Committee: Jawaharlal Nehru.
    • Provincial Constitution Committee: Vallabhbhai Patel.
    • Drafting Committee: B.R. Ambedkar.
  • Seismic Waves:

    • P (Primary): The fastest waves.
    • S (Secondary): Intermediate speed.
    • L (Love Waves): The last to arrive but the most dangerous and destructive.
  • Vedas: The four Vedas are Rigveda, Yajurveda, Samaveda, and Atharvaveda.

  • Medicinal Sources: Quinine, used to treat malaria, is derived from the bark of the Cinchona tree.