For diagnosis of lunacy, a person can be kept under observation at a stretch for -
High-Yield Explanation
According to Mental Health Act, 1987, if giving opinion on the mental status of allegedly mentally ill is not possible, the magistrate may permit observation of such a person under section 28 in an observation ward of a general hospital or another suitable place for 10 days at a time, extendable to a maximum of 30 days.