Drug Regulatory Affairs (DRA) plays a crucial role in ensuring the safety, efficacy, and quality of pharmaceutical products. It involves navigating complex regulatory requirements set by health authorities such as the FDA, EMA, and WHO to achieve market authorization for drugs. The regulatory landscape is dynamic, with evolving guidelines and standards that govern the clinical trials, manufacturing, marketing, and post-marketing surveillance of drugs. This field is essential in safeguarding public health by ensuring that drugs meet stringent safety and efficacy standards before reaching consumers. DRA professionals bridge the gap between pharmaceutical companies and regulatory bodies, ensuring compliance with national and international regulations while promoting innovation in drug development. As globalization continues to shape the pharmaceutical industry, the importance of harmonizing regulatory standards across regions has become more pronounced, aiming for faster drug approvals and better access to treatments worldwide. The regulatory affairs is an government bodies which is act an regulatory authorities. They work under the government agencies. Drug Regulatory Affairs (DRA) can work an organization of ICH, CDSCO, GLP, GCP, CGMP. Their major work is to control safety, efficacy, quality of the drug and also to control the side effects, errors of the drug. The regulatory authorities is responsible for the approval of new drug. Regulatory affairs professionals is also known as regulatory compliance professionals. In this article we focus regulatory affairs role and regulatory authority. They can provide the drug manufacturing ethics to the production department in pharmaceutical industry. It is a position mostly found within regulated industries, such as pharmaceuticals, medical devices, cosmetics, agrochemicals (plant protection products and fertilizers), energy, banking, telecom etc. Regulatory affairs also has a very specific meaning within the healthcare industries (pharmaceuticals, medical devices, biologics and functional foods). They have an crucial function in industries like pharmaceuticals, biotechnology, and medical devices.