Reliance business jet has been grounded for violation of safety rules. Coming down heavily on aviation safety violations, DGCA today grounded jet the jet for carrying expired safety equipment on board. It also suspended its pilot for flying without a licence.The aviation regulator, which carried out surprise inspection at Delhi's IGI Airport this afternoon, also searched Jindal Steel and Power Limited's Global Express BD 700 aircraft and found several major lapses. Action against Jindal's company will be decided on Monday.The action comes at a time when private planes and helicopters are being heavily used as charters to fly political leaders across the country on poll campaign.