The Directorate of Revenue Intelligence, DRI has detained noted Pakistani singer Rahat Fateh Ali Khan and his troupe members at the IGI airport in New Delhi for carrying undeclared foreign currency worth 1.24 lakh US Dollars or about 60 lakh rupees. A DRI official said, Rahat and his entire troupe, numbering around 16, including his manager Maroof and event manager were detained and their interrogation are underway. He said, foreign currency was not declared to Customs officials after the immigration checks. The troupe was on in its way to Lahore via Dubai by an Emirates flight. A nephew of Pakistani singing legend Ustad Nusrat Fateh Ali Khan, Rahat is a top Bollywood playback singer and has several hit numbers to his credit. He won the Filmfare Award for Best Male Playback Singer this year for 'Dil To Bachcha Hai Ji' from the movie 'Ishqiya'.