Hello Noorulla,
As I can see you have mixed original marksheet and Xerox copy and you have confused which is the original one. I would like to inform that please check in original marksheet will be of different color, but if you have mixed with color Xerox copy then check out the seal, In original copy there will be seal or stamp of the school or board. If you find difficulties then also then please contact the school regarding this matter.
I hope this information will be useful for you.
If you any have query please don't hesitate to drop message in the comment section below.
All the best!
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