MUMBAI, Jan. 30 -- Following chief minister Devendra Fadnavis' call to complete at least 50 km of metro rail annually in the Mumbai Metropolitan Region (MMR), the Mumbai Metropolitan Region Development Authority (MMRDA) is in the process of terminating, or not renewing, contracts of consultants associated with at least four under-construction metro lines, and hand these over to the Delhi Metro Rail Corporation (DMRC) instead....