## Core Concept
The National Mental Health Programme (NMHP) was initiated to promote mental health and prevent mental illness by assuring accessible, affordable, and equitable mental health care. This program reflects an organized and comprehensive approach to mental health care.

## Why the Correct Answer is Right
The National Mental Health Programme in India was started in 1982. It was launched with the aim of ensuring accessible and affordable mental health care to the people. The program emphasizes the integration of mental health services with general health services and the promotion of mental health through public health measures.

## Why Each Wrong Option is Incorrect
- **Option A:** 1985 - This is incorrect because the program was initiated three years earlier.
- **Option B:** 1990 - This is incorrect as it is also later than the actual initiation year.
- **Option D:** 1975 - This is incorrect because it predates the actual start of the program.

## Clinical Pearl / High-Yield Fact
A key point to remember is that the National Mental Health Programme was initiated in 1982, marking a significant step towards addressing mental health issues in India. This program's inception year is crucial for understanding the evolution of mental health care policies in the country.

**Correct Answer: C. 1982**