The document outlines India's regulations for new drugs. It defines new drugs and explains that they must demonstrate safety and efficacy through clinical trials before approval. It describes the general process which involves obtaining a license to manufacture test batches and approval from the Drugs Controller General of India to conduct clinical trials. Four phases of clinical trials are required to generate the necessary data for marketing authorization. The types of new drugs are defined and the documents required at each stage of clinical trials and for final marketing approval are detailed.