If you are looking for the full official book for competitive exams like WBCS, SSC, or Banking, these are the current versions available:
The Bengali versions follow the standard RS Aggarwal curriculum, divided into two major sections: rs aggarwal math book pdf in bengali top
মূলত S. Chand Publishing সংস্থা থেকে এই বইটির বাংলা সংস্করণ প্রকাশিত হয়। If you are looking for the full official