I've passed 12th from Assam board but not satisfied. Can I repeat 12th from Maharashtra board which is my home state?

Of course, it is possible to potentially repeat your Class 12 board exams from the Maharashtra board if you're a resident of Maharashtra. If you haven't already secured admission to a college, you can enroll as a regular student in a Maharashtra board school and appear for the exams the following ye

Yes, it is possible and not at all illegal to repeat your 12th board exams from the Maharashtra board. If you haven't gotten admission into a college, you can enroll as a regular student in a Maharashtra board school and appear for the exams the following year.

Yes, you can repeat 12th from Maharashtra board if you're dissatisfied with your 12th standard performance. There is no problem with rejoining a different board. If you want, you can again study from the 11th standard. Doing this is not going to cause you any trouble.