Hello,

If you're enquiring about the fact that  MA English from IGNOU is recognized by CBSE schools, then yes the masters degree course is valid and it's recognized by all board, you can pursue higher education, or apply for government/private job also, however you have to make sure that you have also done your BEd as this program is compulsory for recruitment of teachers in CBSE schools, and you need to appear for CTET if you're seeking to teach till 8th standard.