Tata Consultancy Services (TCS) is one of the largest IT firms in the world, and its TCS Digital Hiring Program is a premium recruitment process for high-skilled candidates. It offers roles with higher salary packages (₹7–8 LPA) compared to TCS Ninja (₹3.6–4 LPA).
If you want to crack TCS Digital 2025, you need to prepare smartly and consistently. I have personally guided many students through this process, and based on past trends, this guide will give you the best roadmap for preparation.
This article will cover:
- TCS Digital Selection Process and key topics.
- Best resources for preparation.
- Expected interview questions and tips to answer them.
- Common mistakes to avoid and final strategies.
TCS Digital 2025 Selection Process
The recruitment process consists of four rounds:
1️. Online Test (TCS NQT Digital Pattern)
2️. Advanced Coding Test
3️. Technical Interview
4️. HR & Managerial Interview
Each round is designed to test your problem-solving skills, technical knowledge, and ability to work in an advanced IT environment. Let’s break them down in detail.
1. Online Test (TCS NQT Digital Pattern)
- Exam Structure & Topics Covered
The online test is 90–120 minutes long and consists of three sections:
- Quantitative Aptitude & Logical Reasoning (10–15 Questions)
- English Proficiency (10 Questions)
- Advanced Coding (2 Medium/Hard-Level Problems)
Each section tests your logical ability, communication skills, and problem-solving mindset.
Quantitative Aptitude & Logical Reasoning
This section includes basic mathematical concepts, number-based problems, and logical puzzles.
Important Topics:
- Number System & Divisibility Rules
- Profit & Loss, Ratio & Proportion
- Time, Speed & Distance, Time & Work
- Permutation & Combination, Probability
- Logical Puzzles, Series Completion & Blood Relations
Sample Questions:
- A train moving at 60 km/hr crosses a 180m-long bridge in 9 seconds. Find the length of the train.
- A and B can complete a task in 12 days and 8 days, respectively. How many days will they take together?
Best Resources:
- IndiaBIX & RS Aggarwal for concept clarity.
- PrepInsta & TCS NQT mock tests for practice.
- Solve at least 20 aptitude questions daily to improve speed.
English Proficiency
This section tests grammar, vocabulary, and comprehension skills.
Important Topics:
- Sentence Correction & Error Detection
- Synonyms & Antonyms
- Active & Passive Voice
- Reading Comprehension
- Cloze Test (Fill in the Blanks)
Sample Questions:
Identify the incorrect sentence:
a) He has been to the market.
b) He has gone to the school.
c) She is reading a book.
d) They are playing outside.
Find the synonym of “Eloquent”:
a) Fluent
b) Confused
c) Silent
d) Hesitant
Best Resources:
- Wren & Martin’s English Grammar
- Grammarly Quizzes & Word Power Made Easy (by Norman Lewis)
- Daily reading of news articles & practicing paragraph completion
Advanced Coding Test (2 Problems)
This is the most important section that determines if you move to the next round.
Topics Covered:
- Data Structures: Arrays, Strings, Linked Lists, Trees, Graphs
- Algorithms: Sorting, Searching, Recursion, Dynamic Programming
- Competitive Programming Techniques
Expected Questions:
Find the second largest element in an array.
Implement QuickSort or MergeSort.
Find the missing number in an array of size N with numbers from 1 to N.
Solve the “Knapsack Problem” using Dynamic Programming.
Best Resources:
- LeetCode (Easy & Medium Problems)
- GeeksforGeeks & InterviewBit (Data Structures & Algorithms)
- CodeChef, CodeForces (Competitive Programming)
Technical Interview (CS Topics & Projects)
Key Focus Areas:
- Programming Concepts: C, C++, Java, Python
- Data Structures & Algorithms (DSA)
- OOPs & System Design
- Database Management System (DBMS)
- Operating System & Networking Basics
- Final Year Project Discussion
Common Technical Questions:
Explain the difference between a stack and a queue.
What is polymorphism in OOPs? Give an example.
Write a SQL query to fetch the second-highest salary.
How does indexing work in databases?
Best Preparation Strategy:
Revise DSA fundamentals from GeeksforGeeks.
Practice SQL queries & database concepts.
Be ready to explain your final year project in depth.
HR & Managerial Interview
This round test your confidence, communication, and adaptability.
Common HR Questions:
1️. Tell me about yourself.
2️. Why do you want to join TCS?
3️. Where do you see yourself in 5 years?
4️. Are you comfortable with relocation & night shifts?
Common Managerial Questions:
How would you handle a difficult team member?
Give an example of a time you solved a critical problem.
How do you stay updated with new technologies?
Best Strategy:
- Prepare a 30-second self-introduction that highlights your strengths.
- Align your answers with TCS’s vision & work culture.
- Be honest but confident in your responses.
How to Prepare Smartly:
- Master Data Structures & Algorithms – Daily practice on LeetCode & GeeksforGeeks.
- Mock Tests & Time Management – Take TCS Digital mock tests weekly.
- Work on Real-World Projects – Highlight internship or personal projects.
- Revise Core CS Subjects – Focus on DBMS, OOPs, OS, and Networks.
- Mock Interviews & Communication Skills – Practice with peers or use platforms like Pramp & InterviewBuddy.
Common Mistakes to Avoid:
- Ignoring time management in coding rounds.
- Skipping aptitude & English preparation.
- Poor explanation of final year projects.
- Lack of confidence in technical & HR interviews.
TCS Digital is a golden opportunity for students aiming for higher salary packages and premium roles.
If you practice consistently, focus on core concepts, and develop problem-solving skills, you will increase your chances of success.
📩 Still have questions? Drop a comment below or connect on LinkedIn!
