If you have completed 12 standard with biology as one of the subject,then there are some age restrictions, attempt limits for certain castes, and further crazy rules. These all should be seen by you as I don’t know your bio data.
Another thing is that passing this is possible for a dropper?
If you have only aiims in your heart to enter give it a try. You can do it if you give all your heart and soul to it. Distractions are common in every bodies life.
For you I would suggest to read the history of great comedy idol Mr Bean. He has got PhD in electrical engineering. You read his journey how he became world famous.
He is your perfect roll model .
All these are my opinions thing before you do.
All the best for your future .