Why MMRDA Needs Surbana Jurong to Develop Third Mumbai? The Mumbai Metropolitan Region Development Authority (MMRDA) should feel embarrassed that it has engaged a Singapore firm for crores of rupees to plan the Third Mumbai. The Mumbai Metropolitan Region Development Authority (MMRDA) was created as a planning body for the Mumbai Metropolitan Region, but it seems, it is completely ignoring this essential function. The The Mumbai Metropolitan Region Development Authority (MMRDA) and its allies are undoing all that good work and are involved in reducing green spaces, selling them and destroying them. MMRDA, Surbana Jurong DealThe Mumbai Metropolitan Region Development Authority (MMRDA) has appointed Singapore-based Surbana Jurong Infrastructure Pte.