<prompt> Most peripheral Laboratory under RNTCP is:-Tuberculosis unitPeripheral reference laboratoryIntermediate reference laboratoryDesignated microscopy centre  <response>: - Most peripheral Laboratory under RNTCP is Designated microscopy center DMCs Designated microscopy center DMCs - Plains - 1100,000 popu. - Hilly Tribals - 150,000 popu. It is maintained by trained lab technician 1 TB unit - 15,00,000 pop. Maintained by senior TB lab supervision 