Hello Student

Third compartment exam form fillup for CBSE is will be done on online mode. Thode who have not secured pass mark in one subject is eligible for appearing the compartment examination had and have to apply on the official website of CBSEhttps://www.cbseresult.ac.in,cbse.gov.in Those who have applied for compartment examination chances they will get to appear for the examination that is in the month of July if they failed they have a chance in the month of March next year and if they fail they will have a chance to apply and appear for examination in the month of July that year.In this 3 attempt  if they could not qualify for the respective subject exam then they have to apply through open school system.

Third compartment exam will possibly held in the month of August 2021. They have to constant touch with the official website of CBSE for this exam.

Hope this helps.