The state radio quoting Mr Harerimana said that the government considered that the food intake served in the prisons was sufficient.
“The back and forth movement of people bringing food to prisoners prevents people from engaging in other productive activities”, added Hererimana.
However, pregnant or nursing mothers and persons who are ill to which a particular diet has been prescribed by a doctor will be exempted from the new rule.
The 14 civilian prisons in Rwanda until last February accommodated some 59,900 inmates, according to the Rwandan League for the Promotion and the Defence of Human Right (LIPRODHOR).
The number includes some 3, 572 women, some who live with 375 infants; added LIPRODHOR.