MMRDA appoints DMRC and Ayesha Ingenieria Y Arquitectura for Mumbai Metro September 20, 2016 | Asia Pacific News Mumbai Metropolitan Region Development Authority (MMRDA) has appointed Delhi Metro Rail Corporation (DMRC) and Ayesha Ingenieria Y Arquitectura as consultants for the development of the Mumbai Metro. ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password