Hi Aspirant!
Your question is a bit awkward but I will try my best to answer it.If you want to add more, comment it below. First of all you can not skip the class 11 even you know all the basics of 11th class.In Indian education system you have to pass 11th class to get admission in class 12.Hence you have to first pass the class 11 then you can go for 12 class.Although only the 12 class marks matter but you can not leave it.
I hope it helps!
Happy Hustling!
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