If you are researching historical drug standards, note that the 1966 edition (along with its 1975 supplement) is the correct reference for drugs marketed in India during the late 1960s and 1970s.
Published: September 1966
The was officially published in 1966 . More specifically, the publication year is recorded as September 1966 , making it a landmark document in the history of Indian pharmaceutical regulation. Background: Why a Second Edition? The first edition of the Indian Pharmacopoeia (IP) was published in 1955, shortly after India’s independence. Its primary goal was to provide a set of standards for drugs manufactured and sold in India, reducing reliance on foreign compendia like the British Pharmacopoeia (BP). 2nd edition indian pharmacopoeia publication year