| Transport Training Centre, Kamptee (India) | Lower Division Clerk | 17-4-1943 to 23-6-1945 |
| Kamptee Camp Post Office, Kamptee | 2nd Grade Clerk | 24-6-1945 to 10-2-1946 |
| Postmaster General’s Office, Central Circle, Nagpur | Lower Division Clerk | 11-2-1946 to 19-9-1947 |
| Director, P & T/ Postmaster Generals Office S & B Circle, Karachi (after on option to Pakistan) | Lower Division/Upper Division Clerk (UDC from 1-9-1949) | 20-9-1947 to 21-12-1954 |
| Karachi University | Assistant Librarian i/c Technical services. | 2-5-1960 to 24-8-1962 |
| Department of Library Science, University of Karachi | Part-time Lecturer | Sept. 1959 to 24-8-1962 |
| Department of Library Science, University of Karachi | Lecturer (Part-time ) and i/c of the Dept. Lib. Sc. Karachi University | 11-6-1961 to 24-8-1962 |
| Department of Library Science, University of Karachi | Lecturer (full time) and Head. Dept. of Library Science. | 25-8-1962 to 1-8-1964 |
| Department of Library Science, University of Karachi | Lecturer/Assistant Professor | 2-8-1964 to 25-9-1970 |
| International Library Information Center (ILIC), Grad. School of Lib. & Inf. Sc., Univ. of Pittsburgh, USA (while on study leave) | Librarian | 1966 to 1969 (during study leave from the Univ. of Karachi) |
| Department of Library Science, University of Karachi | Reader/ Associate Professor | 26-9-1970 to 9-3-1979 |
| Department of Library Science, University of Karachi | Chairman, Dept of Lib. Science | 6-11-1972 to 9-12-1975 |
| Islamic Library and Information Centre, Dept of Lib. Sc., University of Karachi | Honorary Director | March 1974 to March 1986 |
| Dept. of Library Science/ Library & Information Science, University of Karachi | Professor | 10-3-1979 to 20-3-1986 |
| Dept. of Library & Inf. Sc (contd.) | Chairman of the Dept. of Lib. & Inf. Sc | 9-12-1979 to 31-12-1982 |
| Dept. of Library & Inf. Sc (contd.) | Chairman of the Dept. of Lib. & Inf. Sc – Second Tenure | 1-1-1984 to 20-3-1986 (retired) |
| Dept. of Library & Inf. Sc (contd.) | Corporative Teacher (Retd.) | 28-9-1986 to Feb 1987 |
