Regulatory affairs is a critical function within the pharmaceutical industry, ensuring compliance with regulations and guidelines while safeguarding patient safety. In this comprehensive article, we delve into the importance of regulatory affairs and its impact on the pharmaceutical landscape. From understanding the role of regulatory affairs professionals to exploring key regulations and guidelines, we cover it all. Additionally, we provide answers to 25 commonly asked interview questions in regulatory affairs, helping professionals prepare for their career advancement. Discover the world of regulatory affairs and gain insights into this essential aspect of the pharmaceutical industry.