Sub Jails are meant for confining persons sentenced to undergo imprisonment up to one month besides Remand / Under Trial prisoners. There are 16 Sub Jails, situated at Attingal, Meenachil, Peerumade, Mattancherry, Ernakulam, Aluva, Chavakkad, Viyyur, Alathur, Ottappalam, Perinthalmanna, Ponnani, Tirur, Koyilandy, Vatakara, Kannur .

Sub Jails in South Zone