Insider trading is a significant financial crime in India that has existed since the early 1920s. Insider trading is the illegal use of non-public information obtained from a person linked with the company to profit/gain by purchasing/selling listed securities on the stock exchange. The gravity of the offenses involving insider trading cannot be overstated. This article focuses on how the concept of insider trading evolved in India and its effects. This research also focuses on SEBI regulations and cases that the Indian courts have decided. Thus, the present research paper examines the concept of insider trading in India.