Senior Congress leader and MP Shashi Tharoor criticised the Centre over what he described as the government's ‘lack of acknowledgement’ of this year's Nobel Peace Prize winner, Navi Pillay, a. Congress MP Shashi Tharoor has taken a swipe at the Centre in connection with what he claimed was the near silence of the government on South African jurist Navanethem "Navi" Pillay winning the.