After a four-hour-long meeting the board of Maruti Udyog Ltd today concluded that in prevailing circumstances when registration of its non-Euro I and II cars is banned in the National Capital Region(NCR) - its largest market - it will launch Euro I-complaint various of its existing vehicles by the first week of June.Furthermore, Euro II-complaint cars would be rolled out to meet the deadline of April, 2000 as stipulated by the Supreme Court order.