( 1 ) THE main controversy in this writ petition is whether after dismissal of an earlier writ petition on merits in limine and dismissal of special Leave petition and review application by the Supreme Court in limine, the petitioner can file another writ petition challenging his seniority of 1982 as Private Secretary and consequently his promotion to the post of deputy Director and his seniority as Deputy director in Delhi Development Authority.

( 2 ) THE relevant facts are that petitioner was appointed as L. D. C in Delhi Development authority, also referred to as DDA, in 1962. He was promoted as Junior Stenographer in july, 1964 and Senior Stenographer in June, 1968. On 7th January, 1976 he made a representation to DDA and in reply dated 21st January, 1976 it was represented by the dda to the petitioner that the proposal for filling up the vacancies of personal assistant will be taken up only after recruitment rules will be finalized. Promotions from senior stenographers to personal assistant, however, were made in 1977 and two senior stenographers junior to petitioner were promoted as personal assistant. On 17th June, 1978 two more senior stenographers junior to