To be eligible for a BA degree at Ram Sakal Singh Science College, Sitamarhi, candidates must have completed their 10+2 education from a recognized board or university. They must have passed their qualifying examination with a minimum aggregate of 50% marks. Additionally, candidates may be required to appear for an entrance exam or interview conducted by the college to assess their suitability for the BA program. Meeting the eligibility criteria is essential for admission to the BA degree program at Ram Sakal Singh Science College, Sitamarhi.