Explanation:

About Mandela Rules:
?    The Mandela rules state that good principle and practice in the treatment of prisoners and the management of penal institutions should be adopted.
?    It also includes a minimum standard of accommodation, personal hygiene, clothing, bedding, food, exercise, medical health services, contact to the outside world, availability of books, religion, retention of prisoners, notification of death, illness, transfer, removal of prisoners, quality and training of prisoner personnel, prison inspections.