Hello,

Yes, you can pass in the Mathematics subjects from National Institute of Open Schooling. NIOS is a recognized board and its certificate will be accepted for higher education admission. You can also get admission in an Engineering college provided you must fulfill the eligibility criteria and qualify in the entrance test if the admission is based on merit in entrance examination. You can check the list of Engineering entrance exam by using the link given below

https://engineering.careers360.com/exams

You can also provide the certificate obtained in NIOS and CBSE at the time of document verification.