Chandigarh: Former Punjab Chief Minister Amarinder Singh's son Raninder on Thursday yet again failed to appear before the Enforcement Directorate (ED) in Punjab in connection with its probe against him for alleged forex contraventions and holding of untaxed foreign assets.

Official sources said Raninder has informed the Investigating Officer (IO) in the case that he is busy with the preparations of Rio Olympics and, therefore he could not appear before the ED's zonal office in Jalandhar.