Section 126(2) in Delhi Prisons (Inspection, Meetings and Duties of Officers) Rules, 1988
(2)The duties of a convict oversee the jail to(a)perform all or any of the duties of a convict-watchman which it may at any time be his duty to perform;(b)when so required, patrol the outside of wards at night, in the manner prescribed for warders;(c)see that prisoners keep themselves clean, wash and fold their clothing properly and keep their feeding utensils and fatters clean and bright.