Hello dear,

As you  have mentioned that you have got 300 marks in neet 2021 and belong to mbc v category.  With the above mentioned marks you will have a rank in between the range of 369872 to 440022. With this marks there is chance that you may get a bhms college in Tamilnadu as the cur off will decrease this year.

You can visit the link given below to know about the colleges that you will get with your predicted rank

Best wishes