Hello Aspirant,

It's quite difficult to predict  cut off marks for medical colleges keeps changing every year  depending upon various factors. 400 is considered a good score in the NEET exam. With a 300 score, there are low chances that you may make it to government medical college.

For more information you can visit  NEET Rank Predictor

https://medicine.careers360.com/neet-rank-predictor?utm_source=qna&utm_medium=neet_rp

For more information you can visit NEET College Predictor

https://medicine.careers360.com/neet-college-predictor?utm_source=qna&utm_medium=neet_cp

I hope this information helps you.

Good Luck!