Participants will be admitted to the in hospital facility for a period of up to 24 days. During this period they will await their screening results after which they will receive 14 day of IMP. on day 14 intensive PK sampling will be done. They will be discharged on day 15 to the clinic where they will continue on the national TB programme treatment regime. Participants will return to the clinical trial site 14 days after receipt of their last study drug. for a safety evaluation.