Section 3(1) in The Assam Economic and Statistical Service Rules, 1973
(1)The service shall consist of the following categories of posts and such other posts as may be included in the service by Governor from time to time:Category I-Director of Economics and Statistics;Category II-Additional Director of Economics and Statistics;Category III-Joint Director of Economics and Statistics;Category IV-Senior Research Officer/Deputy Director of Economics and Statistics;Category V-Research Officer/Programmer;Category VI-Statistical Officer/Assistant Programmer/Sub-Divisional Statistical Officer;Category VII-Inspector of Statistics.
