Hi Aarnav,
Once the CBSE improvement examination links have been published on the official CBSE website, you have to then fill up the application form of the CBSE improvement examination and then have to choose the subjects in which you want to appear for improvement(can be all the subjects) and then pay the examination fee. Once this step has been completed, you need to take out the printout of the final application form after the payment is completed.
Then you have to send the following documents through post to the CBSE regional office:
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