Copied from @USAandChennai Twitter:
Considering current COVID-19 conditions, all routine services at @USAndChennai are canceled from April 26 through May 15th, including all routine non-immigrant visa interview appointments, interview waiver appointments, and routine American Citizen Services appointments. Emergency appointments will continue to the extent that local conditions allow. We will make every attempt to honor scheduled emergency appointments during this time. The Chennai VAC is open for emergency biometrics appointments only.