For a Chinese citizen, documents not directly notarized by the Consulate General of China in Mumbai, need first be notarized by by a local Notary Public in India and attested by section officer,Home Department, Government of Maharashtra Mantralaya,Mumbai before being submitted to the Application Centre.
The documents issued in another country should be authenticated there. The Consulate General of China in Mumbai does not accept the documents issued in another countey for legalization.