BIAGGI TESTIMONY SOUGHT BY TROY
NYC Councilman M J Troy, who is Dem mayoral aspirant M Biaggi's campaign mgr, urges on Apr 18 that Biaggi make public his testimony before Fed grand jury; NY Times and Daily News claim that Biaggi invoked Fifth Amendment during some questioning, but Biaggi denies this; Dem politicians in NY believe Biaggi's campaign has been hurt by disclosure and candidate that stood to gain most was A Beame; Troy details conversation with Biaggi over testimony; Conservative party believes Biaggi and still supports his candidacy; text of statement read by Biaggi's press sec; comments from other Dem mayoral contenders A Beame, Repr M Badillo and Assemblyman A Blumenthal noted; por