National institute of Mental Health is located at

The National Institute of Mental Health and Neuro Sciences (NIMHANS) is a premier institute for mental health and neuroscience research and education in India. It is located in Bangalore, Karnataka. NIMHANS was established in 1954 as the All India Institute of Mental Health (AIIMS). It was renamed NIMHANS in 1974. NIMHANS is a multi-specialty institute with over 1,000 beds. It offers a wide range of services, including inpatient and outpatient care, diagnostic services, research, and training. NIMHANS is also a major referral center for mental health and neuroscience disorders from all over India.

The other options are incorrect because:

• Coonoor is a town in the Nilgiris district of Tamil Nadu, India. It is a popular hill station and a major tourist destination.
• Chandigarh is the capital of the Indian states of Punjab and Haryana. It is a planned city and is known for its architecture.
• New Delhi is the capital of India. It is a major political and cultural center.
• Bangalore is the capital of the Indian state of Karnataka. It is a major IT hub and a major cultural center.