Chandigarh, Oct. 18 -- The Enforcement Directorate (ED) on Saturday detained Punjabi film producer Amardeep Singh Grewal at Indira Gandhi International Airport (IGIA) in the capital and questioned him in an alleged Rs.5-crore bribery case in which the name of Punjab chief minister Bhagwant Mann's wife, Gurpreet Mann, has also surfaced, people aware of the matter said. "Grewal was returning from Dubai when he was detained on the basis of a look-out circular (LOC) issued after he skipped ED summons," officials said. He was taken to the agency's Delhi office for questioning and asked to appear again next week, they said. Grewal did not respond to HT's phone calls or texts. He was initially summoned before the ED's High Intensity Unit (HIU) on ...