A Delhi court today sent Underworld don Chhota Rajan to a ten day CBI custody . <br/><br/>PTI quoting official sources reports that the custody has has been given in the fake passport case. <br/><br/>Due to security reasons, the proceedings of the court were conducted at the CBI headquarters.<br/><br/>Once a close aide of Dawood Ibrahim, Rajan was brought to New Delhi from Indonesia on Friday. <br/><br/>The gangster was on the run for 27 years and has been brought to the country to face trial in over 70 cases of murder, extortion and smuggling of drugs in Delhi and Mumbai.