This auditorium was built by Miss Mary Ann Gresseux. She was born on January, 1917 in Trivandrum and died on 2nd June, 1985. She was the Lady Principal and Secretary of La Martiniere Girls’ College, from May 1951 to December 1978. She was also the Vice-President and an ardent member of the Old Martinian Association from 1961 to 1982.

Tha auditorium was inaugurated by His Excellency B.Gopala Reddi, Governor of Uttar Pradesh on Saturday, 6th September, 1969 to commemorate the centenary of the school.
The Auditorium is used for Assemblies, Co-curricular Activities, the Annual concert, as well as Indoor Badminton.

In the year 2003 a balcony was added to the auditorium.
At the entrance of the lobby of the auditorium is a bust of our Founder Major General Claude Martin.