New Delhi, June 09 (ANI): Mocking over the resignation given by Bharatiya Janata Party leader Sanjay Joshi to the party chief Nitin Gadkari; Law Minister Salman Khurshid equated opposition infighting to ‘Tsunami’. Commenting sarcastically, Khurshid said that the tsunami comes when there are earthquakes under the surface. Meanwhile, commenting over the speculation of former Army Chief General V K Singh joining an anti graft campaign with social activist Anna Hazare, Khurshid added that the officer is free to decide what to do after his retirement.