STIDC Seminar hall or better known as "Theatrette" is located at first floor, West End of Podium Block, Wisma Sumber Alam. Synonymous to its name, the hall becomes a venue for seminar as well as for STIDC staff assembly. The air-conditioned hall is equipped with public address system, stage, rostrum and ever-ready seats for 200 persons including additional chairs.