PII meaning in Governmental ?

Pasteur Institute of India, Coonoor is one of the pioneer Institute in India in the production of Anti Rabies Vaccine (dog bite vaccine) and DPT vaccine (triple antigen) for the Expanded Programme of Immunization of Government of India. This institute started functioning as Pasteur Institute of Southern India, on 6 April 1907 and was officially opened by H. E. Sir Arthur Lawley, Governor of Madras, on 25 April 1907. The first President of the Society is Surgeon-General W.R. Browne, C.I.E., I.M.S., Surgeon-General with the Government of Madras. The first Honorary Secretary cum Director is Captain J.W. Cornwall, I.M.S., in his remembrance, the road starting from the adjacent area of main gate of the Pasteur Institute of India to Alwarpet named as Cornwall Road. The Institute later re-named as Pasteur Institute of India (registered as a society under the Societies Registration Act 1860) and started functioning as an autonomous body under the Ministry of Health and Family Welfare, Government of India, from 10 February 1977. The affairs of the Institute are managed by a governing body.