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How to Prepare for L&T

L&T hiring spans construction, engineering, and tech arms. Confirm whether you are in LTTS-style software or core engineering - prep differs completely.

What Larsen & Toubro actually tests

First round: L&T aptitude + technical interviews

Time split that matches how candidates report outcomes (not a marketing pie chart):

  • Aptitude 35%
  • Domain/tech 35%
  • Coding 20%
  • HR 10%

Patterns are from student reports and vary by role and drive. Trust your college placement email over blog folklore.

Hiring flow you should prep for

Stage Time What they check
OA timed Aptitude/tech
Interviews varies Domain + HR

Time allocation

  • Core Technical Skills (40% time) - Focus on programming, data structures, algorithms, and engineering concepts relevant to L&T’s domains
  • Technical Knowledge (30%) - Review domain-specific concepts (automation, construction technology, software development, manufacturing systems)
  • Aptitude & Reasoning (20%) - Practice quantitative aptitude, logical reasoning, and data interpretation daily
  • Interview Prep (10%) - Prepare for technical interviews with coding practice, project explanations, and HR interview preparation

Daily loop (90-120 minutes)

  1. One timed block that matches Larsen & Toubro’s first round (aptitude + domain)
  2. Log misses: topic + why you failed (speed, concept, carelessness)
  3. Re-solve yesterday’s misses cold
  4. Twice a week: 10 minutes of resume/project narration out loud

6-8 week core / conglomerate plan

Week Focus Exit criteria
1-2 Aptitude Timed accuracy
3-4 Domain / branch subjects JD topics covered
5-6 Coding if required + projects Role-matched mock
7-8 Interviews Clear domain answers

Round-by-round strategy

Assessment

  • Confirm software vs core track from the JD - prep differs
  • Aptitude is usually non-negotiable for campus drives

Domain / technical

  • Answer from your branch fundamentals first
  • Only add coding depth if the role is software-leaning

HR

  • Why Larsen & Toubro, unit preference, relocation, long-term fit

Larsen & Toubro-specific drills

  • Aptitude
  • Core subject depth OR coding depending on unit

Topic checklist

  • Aptitude
  • Domain fundamentals for the unit
  • Communication

Final stretch

30 days out: weekly full OA-style mocks; close weak DSA patterns; draft STAR stories.

7 days out: alternate mock / review days; re-solve misses cold; no new patterns.

Day before: skim notes, check machine/network/ID logistics, sleep.

Common mistakes for Larsen & Toubro aspirants

  1. Generic software prep for a core engineering posting - fix this first
  2. Preparing only interviews while failing Larsen & Toubro’s first round
  3. Collecting notes without timed mocks
  4. Listing five frameworks on the resume and defending none
  5. Changing language/stack one week before the drive
  6. One prep plan for every business unit

Practice on this site

Comments & Suggestions

Coding questions

Interview experience

2026 papers

Larsen & Toubro hub

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