Noted Pakistani singer Rahat Fateh Ali Khan was extensively questioned by revenue intelligence officials in New Delhi regarding 60 lakh rupees recovered from his possession. The singer was detained at the Indira Gandhi International Airport in New Delhi on Sunday by Directorate of Revenue Intelligence officials after he and two of his troupe members were caught allegedly carrying about 60 lakh rupees in undeclared foreign currency. Rahat and his 16 troupe members including his manager Maroof and event manager were detained. 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.