Hello Shanti,
You can refer to the basic eligibility criteria of AILET for this.
For post graduate programe, that is the LLM, you must have an LL.B degree from an Institute recognised by the Bar Council of India. Therefore, although you are doing your graduation in arts course, but still you will have to appear for LL.B in order to appear for the PG programe. Now coming to the eligibility criteria of LL.B that is the graduate course, you must have done your 10+2. Minimum of 50% marks shall be scored in the qualifying examination. There is no upper age limit to appear for AILET for the graduate(LL.B) programe. Full eligibility criteria can be viewed in the below mentioned link.
Please refer the below link for more information and eligibility criteria:
https://law.careers360.com/articles/ailet-eligibility-criteria
Hope this Helps
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