Hello Aspirant,
No there will not be any problem as JSOS is recognized education board by state government of Jharkhand. Therefore it is authorized and valid board.
JSOS stands for Jharkhand State Open School board and it is responsible for conducting board exams for classes 10th and 12th at state level for Jharkhand state.
Few months ago there were some rumors spreading around on social media that JSOS is no more valid but the fact is it is a government recognized board recognized by Government of Jharkhand and there is no any official notification for any kind of dissolvement of that board so don't worry if you have passed out from that board.
Don't believe on rumors.
I hope this information helps you.
Good Luck!!
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