Hello,

There is no mention of 75% criteria to participate in CSAB so it might be removed. Keep an eye on the official website or the link below for the latest information. You can contact the officials for the latest information as well. You will find the contact details on the official website. According to the eligibility criteria, the candidates should have studied the following subjects: Chemistry, Physics, Maths, Language, valid JEE Main 2022 scores, and candidates should be from any of the Northeast states or Union Territories.

https://engineering.careers360.com/articles/csab#CSAB-NEUT-Eligibility-Criteria-2022