I have passed 12 exam in science with physics, chemistry, math,biology under WBCHSE but Failed in Math.Is there any improvement exam fr Math
Officially there is no provision for improvement exam in WBCHSE. If you fail or want to improve then you have to sit for next year. You can check the further information with the given below link.
http://wbchse.nic.in/html/notifications.html
Good Luck!