TEC has increased the validity of MTCTE certificates from 5 years to 10 years to reduce the burden of compliance on the industry. Hence, regular certificates going to be issued after the release of this notification i.e. from 01-07-2022 will carry the validity of 10 years. However:

Validity of certificates issued before 01-07-2022 will remains 5 years.

The validity of provisional certificates to be issued will remain for 2 years.

Official notification