Confinement in Malayalam

Malayalam words whose English meaning includes “confinement”:

ഉപഗ്രഹം (upagraham) — Satellite, a minor planet, seizing and arresting, confinement, defeat.
തടങ്കല്‍ (thadankal) — Imprisonment, confinement.
പാറാവ്‌ (paaraav) — Guard duty, vigil, place of confinement, prison.