Public documents mean & include: 

Evidence Act: Section 74 Public documents—The following documents are public documents: (1)  Documents forming the acts, or records of the acts— (i)  of the sovereign authority, (ii)  of official bodies and tribunals, and (iii)  of public officers, legislative, judicial and executive, of any part of India or of the Commonwealth], or of a foreign country; of any part of India or of the Commonwealth], or of a foreign country;" (2)  Public records kept [in any State] of private documents.