Guwahati, August 6 (PTI): Assam Chief Minister Sarbananda Sonowal today congratulated M Venkaiah Naidu on winning the vice-presidential election. Sonowal, in a telephonic conversation with Naidu, wished him the best for a remarkable and eventful tenure as Vice-President of the country and chairman of Rajya Sabha. "The high victory margin by Naiduji shows that he got votes from the Opposition as well and it shows his wider acceptability," an official release quoting Sonowal said.