The Department of Psychiatric Nursing started functioning at IMHANS from the year 2014. The faculty includes one assistant professor and one lecturer in Psychiatric Nursing. The faculties form a vital part of the multi-disciplinary team of the institute and have the dual responsibility of teaching and patient care.

The department conducts the Post Basic Diploma in Psychiatric nursing, started in 2015-16 with an intake of 10 students. Indian Nursing Council and Kerala Nurses and Midwives Council recognise the course. This course is first of its kind in government sector in Kerala and is designed to strengthen the knowledge and skill of registered nurses to render quality care to the mentally ill, addressing the shortage of Psychiatric Nurses in Kerala.

The Department started Basic Certificate Course in Geriatric Mental Health Caregiving (BCCGM) for the family caregivers focusing to empower the caregivers to provide respectful and specialised care to the geriatric persons until the end of life with a positive attitude.

The department involves in the training of BSc Nursing and MSc Nursing students of the Govt. Nursing College, Kozhikode and other institutions who are on posting at IMHANS. Psychiatric nursing department is vibrant in various community outreach programmes, clinics and research activities of IMHANS.