( 1 ) THE present batch of writ petitions require consideration of the issue whether DDA can resile from its office order dated 21. 11. 2002.

( 2 ) CERTAIN backdrop facts which were not a part of pleadings of either party may be noted as per concession made by counsel appearing for the petitioners as well as learned counsel who appeared for the DDA.

( 3 ) THE said unpleaded facts are that in the year 1979, DDA floated a residential scheme called New Pattern Registration Scheme (hereinafter referred to as "nprs-1979" ).

( 4 ) UNDER the said scheme, DDA sought registration from individuals pertaining to different categories of flats, proposed to be constructed in future. Middle Income Group, lower Income Group and at the bottom janta Category Flats were notified to be constructed by DDA in the future. Within the scheme, separate registration for SC/st persons was also envisaged.

( 5 ) AS per the scheme as originally notified, names of all applicants were to be registered by DDA. As and when flat (s) in a respective category were available in a particular colony, names of all registrants were to be entered in a draw of lots. Whosoever was successful, was to get t