At a time when the proposed open field trials of Bt brinjal are drawing loud protests, the Supreme Court on Tuesday asked the Centre to detail the steps it has put in place to protect India’s traditional crops from possible contamination by field trials of genetically modified seeds. When additional solicitor general Vivek Tankha tried to assure the court that there were adequate rules and regulations in place and that the Centre would take two weeks to file its response, a Bench comprising Chief Justice K G Balakrishnan and Justices J M Panchal and B S Chauhan said in India the rules mostly get confined to the books.