Select the option that can be used as a one-word substitute for the given group of words.
A disturbed state of mind caused by an illness.

Correct option is A

The correct one-word for the given group of words is delirium.
Explanation: Delirium refers to a confused mental state characterized by restlessness, illusions, and incoherence, typically caused by illness or intoxication (भ्रम या प्रलाप).
Example: After the high fever, the patient experienced bouts of delirium and started talking nonsense.
Meanings of the given other options:
· Discrepancy: A lack of agreement between facts or claims (असंगति).
· Dilemma: A situation where a difficult choice has to be made (दुविधा).
· Depreciation: A reduction in the value of an asset over time (मूल्यह्रास).