Hello,

There are three things, Either you are applying for “Recheck” or You are applying for re-appearing after you get pass certificate at CISCE or you are failed in ICSE or ISC exam 2019.
There are three condition in front of you choose your one and read the article below.

• Apply Online For Recheck.
• Improvement form even you get pass in ICSE or ISC 2019.
• Re-appear if you failed in ICSE and ISC exam.

The complete information regarding the improvement is provided in the following link

http://www.4eno.in/application-form/icse-isc-improvement-exam-form/

Hope this helps....