It was established in 2018 by the government of Bihar under the department of science and technology.

GEC Siwan offers undergraduate courses in: Until 2018, the Bihar Combined Entrance Competitive Examination Board (BCECEB)[6] conducted an exam based on the Merit List of the Bihar Combined Entrance Competitive Examination.

Successful candidates attended an online counseling procedure.

From 2019 onward, admissions in state engineering colleges of Bihar were based on applicant's JEE mains rank.

Students have to fill the application form on the BCECE Board website for admission.