Nothing the UAE issues replaces what India already asked of you, and nothing India issued licenses you here. Two separate stacks.
On the India side, the National Council for Teacher Education sets the minimum qualifications for school teachers, and passing a Teacher Eligibility Test is one of them for teaching Classes I to VIII (NCTE minimum qualifications and ctet.nic.in, both checked 16 September 2026). CTET is the central version of that test; states run their own TETs alongside it. To be precise about the boundary: this requirement is framed for Classes I to VIII. Do not assume it extends to Classes IX to XII, and be wary of any recruiter who tells you it does.
What CTET actually does for a UAE application is evidential. It is a documented, externally marked demonstration that you met India's own teaching-eligibility bar, which is useful when a UAE school is comparing files and when SPEA or KHDA is looking at your qualification set. It is not a UAE licence, it does not shorten the TLS exams, and it does not exempt you from anything.
The other India-side task is attestation. Your degree, your B.Ed and your experience letters will need legalising for use in the UAE, which is a chain through the issuing authority in India, then the Indian Ministry of External Affairs, then the UAE mission in India, then the UAE Ministry of Foreign Affairs. Start it before you resign, because it is the part of the process that runs on other people's timelines.
If you teach a CBSE syllabus in India and are interviewing at a CBSE school in the UAE, our CBSE board page covers how the syllabus is structured, which is worth a read before a demo lesson at an overseas CBSE school.