New Delhi, Feb 26 (ANI): Continuing the war of words between Congress and BJP, Foreign Minister Salman Khurshid called Narendra Modi 'impotent' thereby inviting criticism form other political leaders. Former SP leader Shahid Siddiqui condemned the statement and said that such words should not be used by a politician. Meanwhile, condemning the same, BJP Vice President Mukhtar Abbas Naqvi and spokesperson Shahnawaz Hussain said that this is Congress' desperation and frustration of losing in the upcoming general elections.