MahaTransco LDC study materials
MahaTransco LDC study resources

MahaTransco LDC cheat sheet

MahaTransco LDC · Keep the key ideas within reach.

Quick reference

Marathi Language and Grammar

  • Marathi has 12 vowels (स्वर) - अ आ इ ई उ ऊ ऋ ए ऐ ओ औ - and 36 consonants (व्यंजने); writing runs left to right in Devanagari.

  • Three genders: पुल्लिंग (masculine), स्त्रीलिंग (feminine), नपुंसकलिंग (neuter). Neuter nouns take -े in plural (घर → घरे); masculine -ा nouns often become -े (मुलगा → मुले).

  • Two numbers (एकवचन/अनेकवचन) and three persons. Marathi has no dual; Sanskrit dual forms do not apply.

  • Eight cases (विभक्ती) are taught with प्रत्यय: -ने (कर्ता), -ला/-स (कर्म), -त/-ने (करण), -ला/-स/-त (संप्रदान), -पासून (अपादान), -चा/-ची/-चे (संबंध), -त/-मध्ये (अधिकरण), and the vocative संबोधन.

  • सर्वनाम (pronouns) change by person and politeness: मी/आम्ही, तू/तुम्ही/आपण. आपण is inclusive or respectful; तुम्ही is polite plural.

  • क्रियापद (verbs) agree with subject in person, number and gender; the -तो/-ते/-तात present and -ला/-ली/-ले past are the highest-yield conjugations.

  • Sandhi (संधी) joins words: स्वर संधी (विद्या + अर्थी = विद्यार्थी) and व्यंजन संधी. समास (compound) types include द्वंद्व, तत्पुरुष, बहुव्रीहि, द्विगु, अव्ययीभाव, कर्मधारय.

  • अलंकार (figures of speech): उपमा (simile, with सारखा/प्रमाणे), रूपक (metaphor), अनुप्रास (alliteration), उत्प्रेक्षा, व्यतिरेक. वृत्त are metrical patterns; मात्रा counts short/long syllables.

  • Common error traps: शुद्ध-अशुद्ध pairs such as 'क्रमांक' not 'क्रमांक', 'उपयोग' vs 'वापर', and correct use of अनुस्वार (ं) versus अनुनासिक (ँ).

Quick reference

English Language and Grammar

  • Twelve tenses = 3 times × 4 aspects (simple, continuous, perfect, perfect continuous). Present perfect uses has/have + past participle and never takes a finished past time marker like 'yesterday'.

  • Subject-verb agreement: 'one of the + plural noun' takes a singular verb; 'each/every/either/neither' are singular; collective nouns are singular unless members act individually.

  • Articles: 'a' before consonant sounds (a university, a one-rupee coin), 'an' before vowel sounds (an hour, an MLA). 'The' is used for unique things, superlatives, rivers, ranges and ordinal numbers.

  • Prepositions of time: at (clock time), on (days/dates), in (months, years, long periods). No preposition before 'home', 'this morning', 'last week'.

  • Active to passive: object becomes subject, verb becomes be + past participle, agent takes 'by'. Only transitive verbs passivise.

  • Direct to indirect speech: shift tense one step back, change pronouns by person rule (1st→speaker, 2nd→listener, 3rd→unchanged), and convert 'this/here/today' to 'that/there/that day'.

  • Conditionals: Type 1 (if + present, will + V1), Type 2 (if + past, would + V1), Type 3 (if + had + V3, would have + V3).

  • Common confusables tested: affect/effect, principal/principle, its/it's, stationary/stationery, complement/compliment, eminent/imminent.

  • Vocabulary devices: synonym, antonym, one-word substitution (e.g., 'one who eats everything' = omnivore), idiom meaning, and spotting the misspelt word among four options.

Quick reference

Quantitative Aptitude and Numerical Ability

  • Percentage change = (new − old)/old × 100. Successive changes of a% and b% give a single change of a + b + ab/100 percent.

  • Profit and loss: profit% and loss% are always calculated on cost price unless stated otherwise. SP = CP × (100 + profit%)/100.

  • Simple interest = P × R × T / 100. Compound interest = P[(1 + R/100)^T − 1]; for 2 years CI − SI = P(R/100)².

  • Average = sum of values / number of values. If every value rises by k, the average rises by k; if multiplied by k, the average multiplies by k.

  • Ratio and proportion: if a:b = c:d then ad = bc. To divide a sum in ratio a:b:c, use parts = a + b + c and share = total × part/parts.

  • Time, speed, distance: distance = speed × time; average speed for equal distances = 2xy/(x + y). 1 km/h = 5/18 m/s.

  • Time and work: if A finishes in x days and B in y days, together they take xy/(x + y) days. Work done = rate × time; use LCM of days as total work.

  • Mensuration: circle area = πr², circumference = 2πr; rectangle area = l × b; triangle area = ½ × base × height; cylinder volume = πr²h; sphere volume = (4/3)πr³.

  • Number system: divisibility by 3 or 9 by digit sum, by 4 by last two digits, by 8 by last three, by 11 by alternating digit-sum difference; LCM × HCF = product of the two numbers.

Quick reference

Reasoning and General Intelligence

  • Number series: check differences, then ratios, then squares/cubes, then alternating or two interleaved series before concluding a pattern.

  • Coding-decoding: identify the shift type (forward, backward, alternating, positional value, reversal) by comparing the first pair of letters only.

  • Blood relations: draw a family tree with + for male, − for female; vertical lines for generations, horizontal lines for siblings and spouses.

  • Direction sense: fix north at the top; on turning right from north you face east, left from north you face west. Use Pythagoras for shortest distance.

  • Syllogism: valid conclusions must be true in every possible diagram. 'All A are B' does not imply 'All B are A'; 'Some A are B' is reversible.

  • Seating arrangement: in a circle facing the centre, right means anticlockwise and left means clockwise; reverse this when facing outward.

  • Odd-one-out and analogy: classify by number of letters, vowel count, meaning category, or letter-position sum.

  • Calendar: a normal year shifts the day by 1, a leap year by 2. Century codes: 1600–1699 = 6, 1700–1799 = 4, 1800–1899 = 2, 1900–1999 = 0, 2000–2099 = 6.

  • Clock: angle between hands = |30H − 5.5M| degrees. Hands coincide 11 times in 12 hours and are opposite 11 times in 12 hours.

Quick reference

General Knowledge and Current Affairs

  • Maharashtra has 36 districts and 6 revenue divisions: Konkan, Pune, Nashik, Aurangabad (Chhatrapati Sambhajinagar), Amravati and Nagpur.

  • Maharashtra Day is 1 May, marking the 1960 split of Bombay State into Maharashtra and Gujarat; the state capital is Mumbai, with the legislature in both Mumbai and Nagpur.

  • State symbols: state animal - Indian giant squirrel (शेकरू); state bird - yellow-footed green pigeon (हरियाल); state tree - mango; state flower - jarul (Pride of India).

  • The Bombay High Court (1862) is the high court for Maharashtra and Goa, with a bench at Nagpur and Aurangabad; the Maharashtra Public Service Commission sits in Mumbai.

  • Constitutional offices: President is head of state, Prime Minister heads the government; a Governor is appointed by the President for each state, and the Chief Minister is appointed by the Governor.

  • Key national facts: the Constitution came into force on 26 January 1950; the Fundamental Duties were added by the 42nd Amendment (1976); the Right to Education is Article 21A.

  • Indian geography: the Tropic of Cancer passes through Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura and Mizoram.

  • Space and defence: ISRO's Chandrayaan-3 soft-landed near the lunar south pole in August 2023; Aditya-L1 is the solar observatory mission launched in September 2023.

  • Current-affairs method: note appointments, schemes, awards, sports hosts and indices for the past 12 months, and verify dates against an official government or PIB source.

Quick reference

Computer Knowledge and Office Applications

  • Hardware vs software: CPU (ALU + control unit), RAM is volatile working memory, ROM is non-volatile; 1 KB = 1024 bytes, 1 MB = 1024 KB, 1 GB = 1024 MB.

  • Windows shortcuts: Ctrl+C copy, Ctrl+X cut, Ctrl+V paste, Ctrl+Z undo, Ctrl+Y redo, Ctrl+A select all, Ctrl+S save, Ctrl+P print, Alt+Tab switch window, Alt+F4 close.

  • MS Word: Ctrl+B/I/U for bold/italic/underline, Ctrl+E centre, Ctrl+L left, Ctrl+J justify, Ctrl+F find, Ctrl+H replace, F7 spell check.

  • MS Excel: every formula starts with '='; a cell reference like A1 is relative, $A$1 is absolute; SUM, AVERAGE, COUNT, MAX, MIN are the most-tested functions.

  • Excel error codes: #DIV/0! division by zero, #REF! deleted reference, #VALUE! wrong data type, #NAME? unrecognised text in a formula, #N/A value not available.

  • MS PowerPoint: F5 starts the slideshow from the beginning, Shift+F5 from the current slide, Esc ends it; a .pptx file holds slides, layouts and notes.

  • Internet basics: URL identifies a resource, HTTP/HTTPS is the transfer protocol, an IP address identifies a device, and a browser renders HTML pages.

  • Email fields: To (primary recipients), Cc (visible copy), Bcc (hidden copy), Subject, and Attachment; Reply goes to sender only, Reply All to all recipients.

  • Security: a strong password mixes cases, digits and symbols; phishing is a fraudulent message that harvests credentials; antivirus scans for malware, and a firewall filters network traffic.

Quick reference

Maharashtra Electricity Sector and Basic Electrical Concepts

  • MahaTransco (Maharashtra State Electricity Transmission Company Ltd.) was incorporated on 6 June 2005 under the Maharashtra Electricity Reforms Act, 2003, and owns and operates the state's transmission network.

  • The Maharashtra Electricity Regulatory Commission (MERC) was constituted in 1999 under the ERC Act, 1998; it sets tariffs, grants transmission and distribution licences, and approves the MYT (multi-year tariff) framework.

  • Sector structure after unbundling: generation (MSPGCL and MahaGenco), transmission (MahaTransco), distribution (MSEDCL, plus Adani, Tata Power and BEST in Mumbai), and the state load dispatch centre (MSLDC).

  • Transmission voltages in Maharashtra run at 765 kV, 400 kV, 220 kV, 132 kV and 66 kV; distribution is typically 33 kV, 11 kV, 400/230 V. India's standard supply frequency is 50 Hz.

  • Ohm's law: V = IR. Power in a DC circuit: P = VI = I²R = V²/R. For AC, apparent power S = VI (VA), real power P = VI cos φ (W), reactive power Q = VI sin φ (VAR).

  • Power factor = cos φ = real power / apparent power. A low power factor draws more current for the same load and raises losses; capacitor banks correct it.

  • Transformer basics: it works on mutual induction, changes voltage level at constant frequency, and is rated in kVA. Turns ratio V1/V2 = N1/N2; an ideal transformer has no losses.

  • Transmission at high voltage reduces current for the same power, so I²R losses fall; that is why power is stepped up for long-distance transmission and stepped down for distribution.

  • Safety and protection: earthing gives a low-resistance path to earth, an MCB trips on overload or short circuit, a fuse melts on excess current, and a relay detects faults on transmission lines.

Quick reference

Clerical Aptitude

  • Filing methods: alphabetical (by name), numerical (by number), chronological (by date), geographical (by place) and subject-wise. Choose alphabetical for names, numerical for serial numbers.

  • Alphabetical order rule: compare letter by letter; 'nothing before something' - shorter word precedes when all its letters match (e.g., 'Ram' before 'Rama').

  • Numbering and indexing: an index card records file number, subject, date and cross-reference; a register records inward and outward correspondence with serial numbers.

  • Noting and drafting: a note records facts and the proposed action on a file; a draft is the fair communication issued after approval. D.O. letters are used for semi-official correspondence.

  • Communication skills: a formal letter carries sender's address, date, receiver's address, subject, salutation, body, complimentary close and signature.

  • Record-handling etiquette: acknowledge receipt, quote the file or reference number in replies, keep copies, and never disclose confidential papers.

  • Accuracy checks: verify names, designations, dates, amounts and file numbers before dispatch; a single wrong digit in a file number misdirects the paper.

  • Time and attention: prioritise statutory or time-bound correspondence, mark urgent items, and follow up on pending references with reminder letters.

Quick reference

Record Keeping and Service Rules

  • Service book (सेवा पुस्तक) records date of birth, qualifications, appointment, postings, leave, increments, promotions and punishments; it is maintained by the appointing authority.

  • Confidential Report (CR) or Annual Performance Appraisal is written yearly by the reporting officer, reviewed by a reviewing officer and countersigned by the accepting authority; adverse remarks must be communicated.

  • Leave rules: earned leave and half-pay leave accrue by completed service; casual leave is short and not a right; maternity leave, medical leave and study leave have separate conditions.

  • Pay fixation: an increment is normally granted on 1 July (or as the applicable rule prescribes); promotion fixes pay under the next-higher-post rule, and a higher pay scale follows the post held.

  • Pension and retirement: qualifying service is counted for pension; gratuity and family pension follow the scheme applicable to the employee; the retirement age for state employees is generally 60 years unless a post-specific rule applies.

  • Discipline: minor penalties include censure, withholding of increment and recovery; major penalties include reduction to a lower stage, compulsory retirement, removal and dismissal. A charge sheet and an inquiry precede a major penalty.

  • Reservation and seniority: the seniority list is prepared cadre-wise by date of appointment; roster and reservation rules follow state government orders and applicable court rulings.

  • Right to Information Act, 2005: a Public Information Officer responds within 30 days (48 hours where life or liberty is involved); a first appeal lies to the appellate authority within 30 days.