Dear Vishal, if your question is if you are studying 11th standard and can fill up AIIMS MBBS form, the eligibility criteria for AIIMS MBBS is that aspirant must have completed their Class 12 from CBSE/ISC/State Board with Physics, Chemistry, Biology and English as the main subject. Candidates who will be appearing for Class 10+2 board examination in the year 2019 are also eligible to apply for the medical entrance examination. If you are studying 11th standard, you aren't eligible yet until next year.