for the sake of form; as a matter of form or procedure

done or produced as a formality; not intended to have any practical effect

औपचारिकता के तौर पर किया गया

English Usage: The meeting was just a pro forma gathering with no real agenda.

Hindi Usage: बैठक सिर्फ औपचारिकता के तौर पर आयोजित की गई थी।