is it good to do law after engineering?
If you are interested in practicing law, then yes. The great thing about getting your law degree is that many law schools/degree programs are happy to accept individuals with diverse educational backgrounds.
What I would suggest that you do is contact the law schools you are interested in, and discuss with them if there are any prerequisites that you will need to take before applying to their program.
To iterate once again, law schools are typically very open to accepting students who have degrees in a diverse areas other than just law.
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