Aryan Khan, held in a Mumbai jail over allegations in the drugs-on-cruise case, "promised to be a good citizen and serve the country" while being counselled by the Narcotics Control Bureau (NCB), sources have said. Superstar Shah Rukh Khan's 23-year-old son has been in jail since October 8 and was briefly in the custody of the NCB before that. The anti-drugs agency had arrested Aryan Khan and seven others after raiding a rave party on a cruise off Mumbai on October 2.