Hey Akanksha
The answer of your question is "NO" .12th appearing students can't pursue b.el.ed because its eligibility criteria is 10+2 passed .So You can fill the form after passing 12th. Hope my answer helped you .
And for more information about b.el.ed course click on this link .
https://www.careers360.com/courses/b-el-ed-bachelor-of-elementary-education
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