CHANDIGARH: Raninder Singh, son of PPCC president Capt Amarinder Singh, was interrogated for four hours by the Enforcement Directorate regarding suspected violations of the Foreign Exchange Management Act in the UK-based Jacaranda Trust case. Raninder, who was accompanied by his lawyer and AICC spokesperson Jaiveer Shergill, was told to re-appear along with his passport and bank account details, copies of which he submitted. "I cannot comment on the case since the investigation is in progress," he said. President of the National Rifle Association of India, Raninder had missed the last summons on July 14, citing preparations for shooters headed for the Olympics.