Punjab CM Bhagwant Mann's brother-in-law detained by ED. The Enforcement Directorate (ED) detained Punjab CM Bhagwant Mann's brother-in-law Amardeep Singh Grewal at Indira Gandhi International Airport in Delhi in connection with an alleged ₹5-crore bribery case linked to Mann's wife. Grewal was intercepted under a look-out circular issued by the ED. His formal arrest is being considered, sources said.