Kalyanmoy Ganguli, J. - (1.) in this application under Article 226 of the Constitution of India two orders dated 30th December, 1986 and 31st December, 1986 issued by the respondent No. 3 being Annexures 'G' and 'H' to the writ petition have been challenged. The Howrah Municipal Corporation inter alia has two departments viz., Assessment Department and Engineering Department. The medium categories of employees may be posted either in the Assessment Department or the Engineering Department and the corresponding posts in the two departments are interchangeable.
(2.) Mr. Tapan Dutta learned advocate appearing for the petitioner has submitted a chronological chart from which the entire case of both the petitioners and the respondents can be spelt out.
(3.) The respondent No. 6 joined the Howrah Municipal Corporation on 7th January, 1957 as an Amin in the Assessment Department and on 16th January, 1961 the respondent' No. 6 was promoted to the post of Ward Surveyor in the Assessment Department. On 1st of June, 1961 the petitioner was appointed as the Ward Surveyor in the Assessment Department when the respondent no. 6 was also continuing as Ward Surveyor in the same department. In June 1965 the respondent no. 5 was appointed as a Ward Surveyor in the Engineering Department in the same scale of pay as the petitioner and respondent no. 6. And in June, 1965 the petitioner and the respondent nos. 5 & 6 were all working as Ward Surveyors, the petitioner and the respondent no. 6 working in the Assessment Department and the respondent no. 5 working in the Engineering Department. On or about 1st April, 1967, the respondent no. 5 who was the juniormost incumbent was promoted to the post of Building Inspector/Overseer in the Engineering Department. On 19th November, 1968 the petitioner was ordered to function as Assistant Assessor in the Assessment Department and on that date the respondent no. 5 was continuing in his promoted post of Building Inspector/Overseer and the respondent no. 6 was continuing in the lower post of Ward Surveyor in the Assessment Department. On 1st April, 1970 the petitioner was again ordered to function as Assistant Assessor in the Assessment Department while the respondent nos. 5 & 6 were continuing in their respective posts as stated hereinbefore. On 19th December, 1977 the petitioner was promoted to the post of Overseer, Roads in the Engineering Department while the respondent no. 5 was continuing as Overseer in the Engineering Department and the respondent no. 6 was continuing in the lower post of Ward Surveyor in the Assessment Department. On 29th July, 19.78 the petitioner was promoted to the post of Assistant Assessor on officiating basis in the Assessment Department while the respondent no. 5 was continuing as Overseer in the Engineering Department and the respondent no. 6 was continuing as Ward Surveyor in the Assessment Department. On 27th March, 1980 the petitioner was promoted to the post of Assistant Assessor in the Assessment Department substantively while the respondent nos. 5 & 6 were continuing respectively in the post of Overseer in the Engineering Department and Ward Surveyor in the Assessment Department. On 13th May, 1980 the respondent no. 6 was promoted to the post of Assistant Assessor in the Assessment Department and on 13th October, 1983 the respondent no. 5 was promoted to the post of Assistant Assessor in the Assessment Department. On 1st February, 1984 the petitioner was working as Assistant Assessor in the same scale of pay. On 31st July, 1986 the petitioner was continuing as the Surveyor Superintendent in the Engineering Department equivalent to the post of Assistant Assessor while the respondent no. 5 was continuing as Assistant Assessor in the Assessment Department but the respondent no. 6 was ordered to take charge of the post of Deputy Assessor in addition to his own duties with effect from 1st August, 1986 in the Assessment Department. On 1st January, 1987 the petitioner was continuing in the post of Survey Superintendent in the Engineering Department whereas the respondent no. 5 was promoted to the post of Assistant Engineering in the Engineering Department by the order impugned in writ petition which post is equivalent to that of Deputy Assessor and by an order dated 31st December, 1986 the respondent no. 6 was also promoted to the post of Deputy Assessor in the Assessment Department and this order has also been, impugned in the writ petition.;