This is Sector 4 Nerul NMMC B ward for birth, death and marriage certificate etc.... Applied for birth certificate for my second child the process was easy .. collect a form in counter attach copy of hospital proof along with father and mother aadhaar card. Within few minutes got two birth certificate at cost of 7 rs.
Birth / Death Certificate, Aadhar card , property tax and many other services has been shifted here from sector 3 cidco office. For Birth Certificate you just need to collect form from here , fill up the details and submit it with Xerox of form, aadhar card of both parents, and hospital proof.