( 1 ) IN these petitions for a writ of certiorari, the petitioners assail the validity of a notification issued by the Mangalore Urban Development authority under Section 19 (1) of the Karnataka Urban Development authorities Act, 1987, insofar as the same pertains to the land owned by the petitioners. The challenge arises in the following circumstances.

( 2 ) THE petitioners claim to be the owners of different parcels of land in different survey numbers of Village Padavu in Mangalore Taluk of dakshina Kannada District. In terms of a notification issued under Seclion 17 (1) of the Act mentioned above, an area measuring 15 acres and 57 cents in all comprising different survey numbers including those owned by the petitioners was notified for acquisition by the Mangalore urban Development Authority. This was followed by a notification under section 19 (1) of the said Act, the validity whereof was challenged by the petitioners in Writ Petition Nos. 26185 to 26192 of 2001 filed earlier. The challenge rested primarily on the plea that the petitioners did not have a reasonable opportunity of filing objections to the preliminary notification thus rendering the final noti