Dear Manju, in 2018, 643 marks were the cut off for admission to Madras Medical College. Having said, that cut off changes from year to year and is dependant on various facots like the total number of students who appeared in the exam. availability of seats, difficulty of the exam and NEET Highest score. By going with the previous year's data, anything less than 650 for BC category would be difficult to get a seat in Madras Medical College. If you want o know the previous year cut offs for other Medical colleges, please visit our link at : https://medicine.careers360.com/articles/neet-cutoff-tamil-nadu