Hey!

According to your score in NEET that is 641, You may have a fair chance of getting admission in Grant Medical College. Last year's cut off to secure a seat was 607 marks from General category. But Cut offs varies every year depending on the difficulty of the paper. 

You can take the help of the link provided below:-

https://medicine.careers360.com/articles/neet-cutoff-maharashtra/amp

Hope it helps. All the best!

Hi
As per your query I would like to tell you that you have fair chances of getting a seat in grant medical college and sir JJ hospital,Mumbai as last year least marks to secure a seat was 607 marks from unreserved category  under state quota, talking of which remember that cutoff varies every year depending on number of students appearing in exam, difficulty level of exam, students scoring more than you and your category
To know more about cutoff of various colleges in Maharashtra click below
https://medicine.careers360.com/articles/neet-cutoff-maharashtra/amp
Hope this helps