Chief Justice SA Bobde on Wednesday said that it would like to hear Transport Minister Nitin Gadkari on the Centre's policy of switching all public transport and government vehicles to electric vehicles over a period of time in order to curb air pollution.Additional Solicitor General ANS Nadkarni, appearing for Centre, objected to the presence of Minister in the court, saying, him coming to the Supreme Court will be misused politically.The Chief Justice clarified that the invitation to the Union Minister is not a summon and sought response from the Ministry on the plea.A Bench of the Supreme Court, headed by Chief Justice SA Bobde, was hearing a plea of Centre for Public Interest Litigation (CPIL) seeking implementation of Centre's policy to gradually convert all public transport and government vehicles to electric vehicles.The bench sought the government's response on steps being taken to implement its 2012 electric vehicles policy.The court, while expressing its keenness to interact