Acquisition of land for developing special economic zones (SEZs) is a major cause for concern, says the Economic Survey for 2007-08, which was released yesterday by Finance Minister P Chidambaram. The Finance Ministry presents the Economic Survey in Parliament every year, just before the Union Budget. It is the ministry's view on the economic development of the country in the year gone by, and the prospects for the year ahead. The survey has also expressed "apprehension' about the possible "misuse of the (SEZ) scheme and relocation of existing industries into SEZs'. It says the Board of Approval (BoA) headed by Commerce Secretary G K Pillai, which approves SEZ proposals, would not give a go-ahead to SEZs that "have carried out or propose to carry out compulsory acquisition of land