Central Prisons & Corrcetional Homes are meant for confining persons sentenced to undergo imprisonment above 6 months, detenues, prisoners convicted by Court Martial and civil prisoners. Remand / Under Trial prisoners are also accommodated there, when overcrowding is felt in nearby District Jails/Special Sub Jails/Sub Jails. There are 3 Central Prison & Correctional Home, situated at Thiruvananthapuram, Thrissur and Kannur.