The West Bengal Board of Secondary Examination (WBBSE) has declared the exam schedule for Madhyamik examination (class 10) at wbbse.org

The Secondary exam (class 10) will be held from March 12 to March 21, 2018.

Here's the schedule :

Date	Subject
March 12	First languages (Bengali, English, Gujarati, Hindi, Modern Tibetan, Nepali, Odio, Gurmukhi (Punjabi), Telugu, Urdu and Santali)
March 13	Second languages (English - if any language other than English is offered as First Language. Bengali or Nepali - if English is the First Language)
March 14	Geography
March 16	History
March 17	Physical Science
March 19	Mathematics
March 20	Life Science
March 21	Optional elective subject

Note :

The Board will announce the exam dates for physical education and social service and work education later.

Further, each day, only one paper will be held for the class 10 exams which will begin from 11:45 am to 3 pm. The first 15 minutes will be for reading the question paper.

Source: http://indiatoday.intoday.in/education/