( 1 ) THESE two appeals arise out of the common judgmentin Writ Petition Nos. 12403 of 1987 and 5614 of 1988 dated 31st July, 1990 which relate to the same set of facts and hence are disposed of by this common judgment.

( 2 ) THE question that falls for consideration in these appeals is whether a person who has been appointed to a job in a public sector undertaking on the basis of the being a scheduled tribe if is lateron found as not having that status because of subsequent decision of the High Court clarifying that the sect to which he belongs is not a scheduled tribe, his caste certificate can be cancelled, without notice to him, and his appointment which he has held for about 10 years can be terminated, though the appellant did not at any time made any misrepresentation of his status. A few facts necessary to consider the question raised are: on 22-11-1976 a certificate was issued by the Head Mistress of S. R. R. Parishad Multipurpose School, Nuzvid, describing the appellant as belonging to manya Kapu Community. Prior to that, on 6-1-1975, the Government had issued Memo No, 2451-F2/73-15 clarifying that manya Kapu is synonymous with konda Kapu and that G