From the WBCS eligibility rules:

📌 Bengali Language Clause

  • A candidate must be able to read, write and speak in Bengali.
  • Exception: Candidates whose mother tongue is Nepali are exempted from this requirement.
  • This test is done at the time of the personality test or interview.

👉 This means Bengali proficiency is mandatory for all except Nepali-speaking candidates.

More can be learned from the link below:

Course Links: