Step 1: Understanding the Question:
The question asks for the general legal meaning of "intoxication" in the context of criminal law.
We must distinguish between different forms of impaired mental states, such as emotional distress, physical illness, age-related degeneration, or chemical-induced impairment.
Step 2: Detailed Explanation:
• Criminal law treats different types of mental impairment under separate categories.
• Under the Indian Penal Code (IPC), Sections 85 and 86 govern the defense of intoxication.
• Legally, intoxication refers specifically to the physiological state induced by consuming alcohol, narcotic drugs, psychotropic substances, or other toxic agents.
• This state impairs the brain's functioning, making the individual incapable of knowing the nature of the act or that what they are doing is wrong or contrary to law.
• Emotional disturbance may lead to temporary passion or loss of self-control (which may fall under grave and sudden provocation), but it is not classified as intoxication.
• Physical disabilities and old age are handled under different principles of capacity or general physical inability, and do not constitute intoxication.
• For an intoxication defense to succeed, the substance must generally have been administered without the person's knowledge or against their will (involuntary intoxication).
Step 3: Final Answer:
In criminal law, intoxication generally means a state of impaired mental condition due to alcohol or drugs, which is Option (C).