MAYOR GIVES BADILLO CONTROL IN TAKEOVER OF MODEL CITIES AID
Mayor Koch reorganizes city's federally financed $34.3-million antipoverty Model Cities Program, moving central adm to City Hall under Deputy Mayor Herman Badillo and ordering dismissal of clerical help and hiring of poverty-area residents; Koch, at City Hall news conf, declares that poor have not recd assistance they should have; holds money has not been used properly in past and City Hall did not seek to supervise mgt reform; says that present Model Cities adm, spread out over 3 areas, will be replaced by Model Cities program at City Hall; notes central staff will be reduced for saving of $4.7 million and that money will be used to replace 235 office workers with 324 persons living in 3 poverty areas--Harlem-East Harlem, central Bklyn and S Bronx (M)