V.C. DAGA, J.:---Rule in terms of order dated 7-5-1999. Since all the parties are ready for final hearing, with consent of the Counsel for the parties the petitions are taken up for disposal.

The above petitions, giving rise to the public interest litigation assail the decision of the State of Maharashtra to construct fly overs in the island city of Mumbai in general and Andheri Fly Over in particular for north and south traffic along Western Express Highway covering three junctions, namely, Bahar Junction, Gold Spot Junction and Andheri Kurla Road Junction at Mumbai.

FACTUAL BACKGROUND MATRIX

2. Broadly indicated, the facts taken from Writ Petition No. 657/1999 are as under:

Petitioner No. 1 is a society registered under the Societies Registration Act ("Society" for short). The aims and objects of the society are inter alia, to look after the environment in all its aspects. The petitioner No. 2 is the Honorary Secretary of the society and has been working in the environmental movement for past 25 years.

3. The respondent No. 1 is the State of Maharashtra. The 2nd respondent is the Mumbai Metropolitan Regional Development Authority, constituted under the Mumbai Metropolit