In the NDZ areas, a basic floor space index (FSI) of 0.5 will be allotted. The new industrial policy which was recently announced also permits the conversion of denotified SEZs more than 100 acres to integrated industrial areas (IIAs).Maharashtra Government has approved the use of no development zones (NDZs) for industrial, commercial and residential activity in the state. This approval was given in the exit policy for special economic zones (SEZs).