Is degree of OPEN UNIVERSITIES/DISTANCE EDUCATION MODE valid in SSC exams

Of course it is valid; read this govt order in this regard:

As per Ministry of Human Resource Development Notification dated 10-06-2015 published in the Gazette of India all the degrees/ diplomas/ certificates awarded through Open and Distance Learning mode of education by the Universities established by an Act of Parliament or State Legislature, Institutions Deemed to be Universities under Section 3 of the University Grants Commission Act, 1956 and Institutions of National Importance declared under an Act of Parliament stand automatically recognized for the purpose of employment to posts and services under the Central Government provided they have been approved by the Distance Education Bureau, University Grants Commission.

Accordingly, unless such degrees are recognized for the relevant period when the candidates acquired the qualification, they will not be accepted for the purpose of Educational Qualification. In case of the candidates possessing such degrees/ diplomas/certificates awarded through Open and Distance Learning mode of education, such candidates shall also produce approval given to the University by the Distance Education Bureau, University Grants Commission for the relevant period at the time of Document Verification.

NOTE: 8.6 As per UGC (Open and Distance Learning) Regulations, 2017 published in official Gazette on 23-06-2017, under Part-III (8) (v), the programmes in engineering, medicine, dental, nursing, pharmacy, architecture and physiotherapy etc. are not permitted to be offered under Open and Distance Learning mode. However, pursuant to the Hon’ble Supreme Court Order dated 11-03-2019 in MA No. 3092/2018 in W.P. (C) No. 382/2018 titled Mukul Kumar Sharma & others Vs AICTE and others, B. Tech. degree/ diploma in Engineering awarded by IGNOU to the students who were enrolled up to academic year 2009-10 shall be treated as valid, wherever applicable.