The U.S. Consulate General, Chennai in a tweet dated June 6, 2021 has updated that their office is cancelling all routine non-immigrant visa interview appointments, interview waiver appointments and routine American Citizen service appointments until June 11, 2021.
The post will continue to offer emergency appointments as permitted by local conditions. The post will try to honor emergency appointment that have been already scheduled. The Chennai visa application center will entertain biometric appointments only for applicants with confirmed emergency appointments. This information can be found here
We will continue to bring updates on this important subject.