MUMBAI, Aug. 6 -- In a major boost to connectivity in the Mumbai Metropolitan Region (MMR), the executive committee of the Mumbai Metropolitan Region Development Authority (MMRDA) approved tenders for the civil construction of Metro-5 (Thane-Bhiwandi-Kalyan) and appointed general consultants for Metro-5 and Metro-9 (Dahisar-Mira Bhayander and Andheri E to Chhatrapati Shivaji International Airport)....