AIBE is an Entrance exam conducted at National level by the Bar Council of India.The exam aims to test the ability of advocates to practice law as a profession in India. In 2015 you registered but didn't appear for AIBE Exam then you need to apply again for AIBE Exam. You can check the complete information with the given below link.
https://law.careers360.com/articles/aibe
Good Luck!
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