Indian Government or State Governments in India has categorised their employees into Group A, B, C and D or in Class I to IV.
Only Class I and Class II, as the case may be, public servants/officers mentioned above in ranks and bank managers of a nationalised bank as well.
Class I or Group A-Executive power vested in these categorised public servants with decision making powers: Lieutenant and above in Indian Army, members of All India Services, though posted to states; State Government Services (selected through Public Service Commissions in States) or promoted public servants/ officers from states to the cadre of Assistant Commissioner or above and to the cadre of All India services; Magistrate (SDM) and CO (police department),Income Tax Officer(ITO) and above, Police officers of Circle Inspector and above; Additional District Civil surgeons, Executive Engineers and above, District Medical Officer and above, Principals and faculties of government degree colleges, Patent Examiner(Official Designation- Examiner of Patent and Design), Geologists of Geological Survey of India etc are Gazetted officers and have the authority to verify and attest documents. Class II or Group B-Officers with limited supervisory or subordinate managerial role: In Army - Naib Subedar, Subedar & Subedar Major, AAO in C & AG (Controller General of Defence Accounts); Air Force - Junior warrant officer to Master Warrant Officer, Section Officer; BDO, Tahsildar, Junior Doctors in Government hospitals, TDO ,Assistant Executive Engineer, Lecturers in government intermediate/senior secondary education institutes or schools, Headmaster of Government high schools etc.