Congress today said the Uttar Pradesh government has not taken any substantive action so far in the BRD medical college tragedy in Gorakhpur. <br/><br/>Replying to a media query in New Delhi, party spokesperson Ajay Maken said, state government is trying to brush things under carpet. <br/><br/>Mr Maken said, the government must ensure strictest punishment to the guilty. He alleged that the state government did nothing to save the lives of children.