In Brahmaputra Valley School, Sibsagar, Assamese is not a compulsory subject for students coming from CBSE syllabus. The school offers English as the primary medium and may offer regional languages as additional language options, but Assamese is typically not mandatory unless a student chooses it as an optional language. Most students study Hindi or a third language instead. To be certain, you can directly ask the school administration or check the school admission brochure. But generally, Assamese is not compulsory in this CBSE-affiliated school.