( 1 ) THIS is a petition by the petitioners for taking action under the Contempt of Courts Act against Shri Prem Kumar, Vice-Chairman Delhi Development Authority (for short the DDA ) and two other officers of the DDA who are respondents 2 and 3, and also against three officers of the Municipal Corporation of Delhi, being respondents 4 to 6. The petitioners, case is that they are the owners of the land measuring 16 biswas, being part of Khasra No. 616/376/2, situated in village Chowkri Mubarakbad, Delhi, since 1961 and they had made certain construction thereon. According to them this property was being used by them for residential-cum-commercial purposes and it is assessed to property tax and is entered in the municipal records as property No. 652/1b, Zakhira Chowk, New Rolitak Road, Delhi. In Suit No. 19/69 of the court of Shri P. K. Verma, Sub Judge 1st Class, Delhi, a decree of permanent injunction was passed on January 22, 1974 in; favour of the petitioners against the Municipal Corporation of Delhi restraining them from demolishing any portion of the property No. 652/ib, New Rohiak Road, near Zakhira Chowk, Delhi, forming part of Khasra No. 601/ 376, village C