Preparing for TCS interview questions requires a blend of technical proficiency and soft skills. Brush up on core subjects like data structures, algorithms, and databases. Practice coding problems on platforms like LeetCode or HackerRank. Research TCS's projects and technologies to align your skills. Prepare for behavioral questions by reflecting on your experiences and using the STAR method to structure responses. Stay updated with current industry trends. Practice mock interviews to build confidence and refine your communication skills.