greetings,
for studying MBBS, first and foremostly you should be a PCB student in class 11th and 12th.
you have to appear for NEET to get admission in top medical colleges.
fee in aiims is less but mbbs in private colleges is very expensive.refer to the following link for more information:
https://www.google.com/search?q=neet+careers360&oq=neet+careers&aqs=chrome.1.69i57j0l5.5563j0j7&sourceid=chrome&ie=UTF-8
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