Tata Consultancy Services Interview Question

Explain in detail: design, implementation, challenges faced, optimizations, improvements. In-depth OOPS questions Concepts like Inheritance, Polymorphism, Abstraction, Encapsulation. Asked with practical coding examples and real-world scenarios. Resume-based questions Every technology, programming language, framework, or tool mentioned is questioned in depth. Sometimes tricky or advanced questions to test if you really worked on them. Coding round inside interview Asked to write code on paper/whiteboard without compiler help. After writing, you must explain the logic, complexity, and possible improvements. Networking / Web basics Questions on HTTP/HTTPS requests and their types (GET, POST, PUT, DELETE, etc.). Difference between HTTP vs HTTPS and why HTTPS is secure.