Hello, In 2021 the exam is expected to be conducted in the month of June 2021 unlike previous years where the exam is conducted in the month of March. The official notification regarding the schedule is yet to be released. You can download the routine from this link https://wbchse.nic.in/html/routine.html .

To know more details on the exam application and pattern kindly check this link https://school.careers360.com/exams/west-bengal-12th

Best wishes.