This report delves into the leadership of Ratan Tata, former chairman of Tata Sons, examining his impact on the Tata Group. The analysis explores the key traits and behaviors that contributed to his success, including his risk-taking attitude, focus on employee relations, and adoption of various leadership styles. The report identifies ways to measure leadership effectiveness, drawing on theories such as trait theory, behavioral theory, and situational leadership theory. It highlights how Ratan Tata fostered a collaborative environment, motivated employees, and adapted his approach to different situations. Ultimately, the report concludes that his ability to build interpersonal relationships and make courageous decisions were critical to his achievements. The references include journals and books related to the leadership and culture.