The Clinical Trials Registry- India (CTRI) under National Institute of Medical Statistics (NIMS) is a free and online public record system for registration of clinical trials being conducted in the country. Users can search clinical trials by selecting details such as study design, trial phase, state, district, keywords, etc. Online registration facility is also available for the users. Downloadable trial registration set and publications are provided. Users can check trial FAQs and send online feedback.