The present writ petition in the form of Public Interest Litigation has been filed by 29 petitioners, who are residents of village Sambhalki, Tehsil & District SAS Nagar, Mohali. They have, inter-alia, prayed for quashing of impugned order dated 19.10.2007 (Annexure P.14), recommendations/proposal dated 20.4.2007 (Annexure P.12), assessment reports regarding market value dated 24.9.2007 and 17.10.2007 (Annexure P.13 collectively) vide which shamlat land measuring 80 kanals, 6 marlas situated in the revenue estate of village Sambhalki, Tehsil & District SAS Nagar, Mohali has been approved to be exchanged with the land measuring 48 bighas, 4 biswas (80 kanals, 10 marlas) owned by respondent No.12 in village Raipur Khurd, Tehsil & District SAS Nagar, Mohali. Further prayer has been made for quashing the impugned resolution dated 15.7.2006 ( Annexure P.4) vide which respondent No.6-Gram panchayat village Sambhalki, has decided to exchange the abovesaid shamlat land with the land of respondent No.12-Colonizer.