Bahá'í Population of India, 1991edited by M. Vijayanunni.
published in Census of India 1991
New Delhi: Census Commission, 1995
Regarding this document, Prof. Anil Sarwal observes:... I don't think you will find this information in the Census book. I think the copy [below] was at the intervention of the National Spiritual Assembly of the Bahá'ís of India and they procured it from the Census department by making some efforts.
2. Image scans