The logical aptitude test for TCS typically measures a candidate’s ability to think critically, analyze information and solve problems using logic and reasoning. The test includes questions that assess a candidate’s ability to:

Understand and analyze complex systems
Identify patterns and relationships
Make logical deductions and inferences
Solve problems using analytical and critical thinking skills
Interpret data presented in different formats such as graphs, tables, and charts
Identify logical connections between statements and arguments.
The test may include questions on topics such as:

Logical reasoning: statement-conclusion, syllogisms, statement-assumptions, etc.
Data interpretation: questions based on graphs, tables, and charts.
Puzzles: questions based on arranging a group of objects in a logical order
Coding-Decoding
Blood Relations
Series Completion
Verification of Truth of the Statement
It is important to note that many companies, including TCS, use various aptitude tests as a part of their recruitment process, the topics and pattern may vary. It is always good to check for the company’s official website for the latest information.