The AAP on Saturday said the Centre's ordinance on the transfer of bureaucrats in Delhi is "unconstitutional" and a move to snatch the power given to the Delhi government by the Supreme Court in services matters.Addressing a press conference, Delhi minister Atishi said the Centre deliberately chose to bring the ordinance at a time when the Supreme Court has closed for summer vacation.The Centre promulgated an ordinance on Friday to create a National Capital Civil Service Authority for transfer of and disciplinary proceedings against Group-A officers from the DANICS cadre.