A person who acts as a deputy to the chairman in an organization or meeting.

उपाध्यक्ष

English Usage: The vice-chairman of the board was tasked with overseeing the committee meetings.

Hindi Usage: बोर्ड के उपाध्यक्ष को समिति की बैठकों की देखरेख करने का कार्य सौंपा गया।