GEC has a well lit and built centrally air-conditioned auditorium with a seating capacity of over 800 people. It has two floors, ground floor with a capacity of 650 seats and terrace floor with another 150 seats. It has 2000 sq.ft wooden floored stage area and 5800 sq.ft audience seating area with PVC sports floor. It has well balanced acoustic engineered designs using sophisticated sound equipment. Inside hall is covered by acoustic panel and outside by ACP cladding. There is VIP room, electric room, two control rooms, two changing rooms, 4 toilet blocks and 2 shower blocks separate for male and female near stage and 10 toilet blocks 2 handicap toilet blocks near seating area. It is surrounded by holistic garden and parking area.
A regular venue for conferences, workshops and seminars, this auditorium has all the facilities to enhance the learning process while it is often utilized for cultural activities. It hosts a plethora of events during cultural week. Occasional movie screening also happens in the auditorium, especially for the fresher.