After joining the IPoS, the officer starts his/her career as an Senior Superintendent of Post Offices in the rank of Assistant Secretary to the Government of India. After 5 years, the first promotion takes place to the rank of Assistant Post Master General equivalent to Under Secretary. After 10 years, the officer is promoted to Additional General Manager equivalent to Deputy Secretary. After 13 years, the officer is promoted to Director Postal Service equivalent to Director. After 18–20 years of service, the officer becomes Post Master General equivalent to the
Joint Secretary. After 28-30 years of service, the officer attains the rank of Chief Post Master General equivalent to the
Additional Secretary. After 34-35 years or more of service, the
Appointments Committee of the Cabinet considers the officer for appointment to the rank of Director General Postal Service equivalent to the rank of
Secretary.
Rank structure ==Notable Indian Postal Service officers==