NSDL interacts with investors through market intermediaries called Depository Participants who can be banks, brokers, custodians, institutions etc. Though NSDL commenced operations with just three DPs, within a short time, depository participant services were available in most of the major cities and towns across the country. More information on various services offered by NSDL is available at https://nsdl.co.in/services/index.php.