President Pranab Mukherjee has expressed condolences on the passing away of former Prime Minister of Nepal Sushil Koirala.<br/><br/>In his condolence message, Mr Mukherjee said, throughout his long public life, Mr Koirala worked to strengthen the relations between India and Nepal.<br/><br/>He said, with his passing, Nepal has lost a visionary leader who served its people with dedication and commitment.<br/><br/>The President said, in his death, India has lost a true and valuable friend.