The Indian Administrative Service (Regulation of Seniority) Rules, 1987

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These rules govern the regulation of seniority within the Indian Administrative Service (IAS). They outline definitions of key terms like ‘cadre,’ ‘officer,’ and ‘year of allotment,’ and detail how seniority is determined for direct recruits, promotee officers, and those appointed by selection. The document specifies procedures for calculating seniority based on continuous service, examination merit, and committee selections. It also addresses the impact of transfers between cadres and repeals previous seniority regulations, ensuring a standardized approach to establishing and maintaining the hierarchy within the IAS.

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10. { }^{1} THE INDIAN ADMINISTRATIVE SERVICE (REGULATION OF SENIORITY) RULES, 1987

1. Short title and commencement-

(1) These rules may be called the Indian Administrative Service (Regulation of Seniority) Rules, 1987.
(2) They shall come into force on the date of their publication in the official gazette.

  1. Definitions- In these rules, unless the context otherwise requires,-
    (a) ‘Cadre’ means the Indian Administrative Service Cadre constituted in accordance with rule 3 of the Cadre Rules;
    (b) ‘Cadre Rules’ means the Indian Administrative Service (Cadre) Rules, 1954;
    { }^{2} (c) [Deleted]
    (d) ‘Commission’ means the Union Public Service Commission;
    (e) ‘competitive examination’ means the examination referred to in rule 7 of the Recruitment Rules;
    (f) ‘direct recruit officer’ means an officer appointed to the Service through a competitive examination in accordance with rule 7 of the Recruitment Rules;
    (g) ‘gradation list’ means the gradation list prepared under rule 5 of these rules;
    (h) ‘officer’ means a member of the Service;
    (i) ‘officer appointed by selection’ means an officer appointed to the Service in accordance with the provisions of the Indian Administrative Service (Appointment by Selection) Regulations, 1956;
    (j) ‘promotee officer’ means an officer appointed to the Service in accordance with the provisions of the Indian Administrative Service (Appointment by Promotion) Regulations, 1955;
    (k) ‘Recruitment Rules’ means the Indian Administrative Service (Recruitment) Rules, 1954;
    (I) ‘Select List’ means the Select List prepared in accordance with the Indian Administrative Service (Appointment by Promotion) Regulations, 1955;
    { }^{3}(\mathrm{~m}) [Deleted]
    (n) ‘Service’ means the Indian Administrative Service;
    (o) ‘State Cadre’ and ‘Joint Cadre’ have the meanings respectively assigned to them in the Cadre rules;
    { }^{4} (p) [Deleted]
    (q) ‘State Government concerned’, in relation to a Joint cadre, means the Joint Cadre Authority.

3. Assignment of year of allotment:-

(1) Every officer shall be assigned a year of allotment in accordance with the provisions hereinafter contained in these rules.
(2) The year of allotment of an officer in Service at the commencement of these rules shall be the same as has been assigned to him or may be assigned to him by the Central Government in

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Provided that if a direct recruit officer is permitted to join probationary training under rule 5(1) of the IAS (Probation) Rules, 1954, with direct recruit officers of a subsequent year of allotment, then he shall be assigned that subsequent year as the year of allotment.
{ }^{5} (ii) The year of allotment of a promotee officer shall be determined with reference to the year for which the meeting of the Committee to make selection, to prepare the select list on the basis of which he was appointed to the Service, was held and with regard to the continuous service rendered by him in the State Civil Service not below the rank of a Deputy Collector or equivalent, up to the 31^{st } day of December of the year immediately before the year for which meeting of the Committee to make selection was held to prepare the select list on the basis of which he was appointed to the Service, in the following manner:-
a. for the service rendered by him upto twenty one years, he shall be given a weightage of one year for every completed three years of service, subject to a minimum of four years;
b. he shall also be given a weightage of one year for every completed two years of service beyond the period of twenty one years, referred to in sub-clause (a), subject to a maximum of three years.
Explanation For the purpose of calculation of the weightage under this clause, the fractions, if any, are to be ignored:

Provided that he shall not be assigned a year of allotment earlier than the year of allotment assigned to an officer senior to him in that select list or appointed to the service on the basis of an earlier select list:
{ }^{6} (iii) the year of allotment of an officer appointed by selection shall be determined with reference to the year for which the meeting of the Committee to make the selection to prepare the select list, on the basis of which he was appointed to the Service, was held and with regard to the continuous service rendered by him in a post equivalent to the post of Deputy Collector or a higher post, up to the 31^{st } December of the year immediately before the year for which the meeting of the Committee to make the selection was held to prepare the select list on the basis of which he was appointed to the service, in the following manner:-
(a) for the service rendered by him up to twenty one years, he shall be given a weightage of one year for every completed three years of service, subject to a minimum of four years;
(b) he shall also be given a weightage of one year for every completed two years of service beyond the period of twenty one years, referred to in sub-clause (a), subject to a maximum of three years.
Explanation For the purpose of calculation of the weightage under this clause, the fractions, if any, shall be ignored:

Provided that he shall not be assigned a year of allotment earlier than the year of allotment assigned to an officer senior to him in that select list or appointed to the Service on the basis of an earlier select list:

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Explanation-The length of the relevant Class I continuous service in either case shall be with reference to the 31^{st } day of December of the year immediately before the year for which the meeting of the Committee to make selection was held to prepare the select list on the basis of which appointments were made in the respective cases.

  1. Inter-se seniority of the officers who are assigned the same year of allotment:-The inter-se seniority of the officers appointed to the Service shall be in the following order and in each category the inter-se seniority shall be determined in the following manner:-
    i. direct recruit officers shall be ranked inter-se in the order of merit as determined in accordance with rule 10 of the Indian Administrative Service (Probation) Rules, 1954;
    ii Promotee officers shall be ranked inter-se in the order in which their names are arranged by the Commission for the purpose of appointment to the Service by promotion;
    { }^{7} iii officers appointed by selection shall be ranked inter-se in the order in which their names are arranged by the Commission for the purpose of appointment to the Service by selection.
    { }^{8}[ Omitted]
  2. Gradation List:-There shall be prepared every year for each State Cadre and Joint Cadre a gradation list consisting of the names of all officers borne on that cadre arranged in order of seniority.

6. Fixation of seniority of officers transferred to another cadre.-

(1) If a direct recruit officer is transferred from one cadre to another in public interest, his year of allotment shall remain unchanged and his inter-se position among the direct recruits having the same year of allotment in the cadre to which he is transferred shall remain the same as determined in accordance with Rule 10 of the Indian Administrative Service (Probation) Rule, 1954.
(2) If a promotee officer or officer appointed by selection is transferred from one cadre to another in public interest, his year of allotment shall remain unchanged and he shall be ranked inter-se with promotee officers or officers appointed by selection, as the case may be, having the same year of allotment in the cadre to which he is transferred with reference to the date on the basis of which he was assigned the year of allotment under these rules.
(3) If an officer is transferred from one cadre to another at his request he shall be assigned a position in the gradation list of the cadre to which he is transferred below all the officers of his category borne on that cadre who have the same year of allotment:

Provided that in the case of a direct recruit officer transferred from one cadre to another at his request, his seniority in the list prepared under Rule 10 of the Indian Administrative Service (Probation) Rules, 1954 shall remain unaffected for the purposes of the said list.

  1. Seniority of officers appointed under sub-rule (3) of rule 4 of the Indian Administrative Service (Recruitment) Rules, 1954:- Notwithstanding anything contained in any of the provisions of these rules, the seniority of officers appointed to the Service in accordance with

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  1. Interpretation:- If any question arises as to the interpretation of these rules, it shall be referred to the Central Government for decision.

9. Repeal and Saving:-

(1) The Indian Administrative Service (Regulation of Seniority) Rules, 1954 and all other rules corresponding to the said rules in force immediately before the commencement of these rules are hereby repealed.
(2) The seniority of the officers appointed to the Service prior to the coming into force of these rules shall be determined in accordance with the Indian Administrative Service (Regulation of Seniority) Rules, 1954 in force on the date of their appointment to the Service;
Provided that any order made or action taken under the rules so repealed shall be deemed to have been made or taken under the corresponding provisions of these rules.


  1. { }^{7} Amended vide Notification No. 14014/14/2000-AIS(I) dated 30.8.2005 – GSR No. 549(E) dated 30.8.2005.
    { }^{8} Proviso omitted vide Notification No. 14014/14/2000-AIS(I) dated 30.8.2005 – GSR No. 549(E) dated 30.8.2005
    the provisions of sub-rule (3) of Rule 4 of the Indian Administrative Service (Recruitment) Rules, 1954 shall be determined in accordance with such principles as the Central Government may, after consultation with the State Governments and the Commission, from time to time, determine.