First of all a gazetted officer must be a government official.
In India, a official Central Government Publication named Gazette publishes the promotions of certain government official. Those officers whose name appears in Gazette are termed as Gazetted Officers.
Indian Govt has employees classified as class 1 to class 4. All class 1 employees are Gazetted officers.
Class 1 employee examples are:
All India services, though posted to states; promotees from states to the cadre of Assistant Commissioner and above and to the cadre of All India services ; Police officers of Circle Inspector and above; Additional District Civil surgeons, Executive Engineers and above, District Medical Officer and above, Lt.Col. and above, Principals of Government colleges and above, Readers and above of Universities, etc.
So, these officers can attest a photo, xerox of certificates etc.
Apart from them a Public Notary, Magistrate can attest also.
All officers belonging to Govt.(state or central) whose name are published in the Gazette of india are called "Gazetted Officers".
Gazetted officer(rajpatrit adhikari) have special previllages and powers.The term Gazetted is a status symbol and makes them recognizable all over India.
All Group A regular cadre officers and also some Imp post at Group B of State and central Govt(like ACP's Of Danics,Assitant Administrative officers,Asstt. Directors comes in Group B). are Gazetted.
Note: Officers of Autonomous organizations,Contractual Staff employed in Govt.,PSU,Bank did not enjoy Gazetted status hence are not Gazetted
All Gazetted officers have rites to attest certificates (ie.Photos,Marksheets etc)
Some of the Gazetted posts are as below
Defence Officers Assistant commissionar of police(ACP) All central services officers Scientists of DRDO,CSIR,NPL etc Doctors of Govt hospitals Assistant Programmer,IT CADRE Delhi Govt. Assistant Director Assistant Engineer Librarians of Govt
Note: Junior Engineers,Assistant Librarian are not Gazetted