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Havells India Software Engineer Interview Questions

The questions to prepare for a Havells India Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
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1
SQL & Data ManipulationStart here. 7 questions + 2 drills · ~79 min
Second Highest Trader SalaryEasy
Practice

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingHavells India
Process vs Thread DifferencesEasy

Tests OS fundamentals and ability to reason about concurrency and resource sharing.

processOperating SystemsHavells India
Sum From 1 to 1,000,000Easy
Practice
Practice drill

Calculate the sum of integers from 1 to 1,000,000 using PostgreSQL aggregation and filtering.

AlgorithmsVirtu Financial
SQL Top N QueryEasy
Practice
Practice drill

Return the 10 most-viewed active California physician profiles using WHERE, ORDER BY, and LIMIT.

RankingSortingAggregationsDoximity
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2
Coding16 questions · ~135 min
BFS vs DFS Traversal ChoiceMedium

Compare BFS and DFS for graph traversal, including when shortest-path guarantees make BFS strictly preferable.

dfsbfstraversalHavells India
Understanding the OSI Model LayersEasy

Describe the OSI model and the function of each layer.

Havells India
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3
Security & Infrastructure6 questions · ~51 min
Electrical Engineering and SMPSMedium

Assesses understanding of power electronics and practical converter concepts.

Havells India
Basic Electronics and C ProgrammingMedium

Tests electronics fundamentals and C programming understanding.

Havells India
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4
Behavioral & Leadership19 questions · ~160 min
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5
More topics2 questions · ~17 min
AC to DC Conversion with Sensor ControlHard

Evaluates system design thinking for power conversion and sensor-actuator control.

Havells India
Energy Segregation ML ProjectMedium

Tests your ability to explain a technical ML project and its practical impact.

Machine LearningHavells India
The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.