Hello Aspirant,

The cutoff varies every year depending on the various factors such as difficulty level of the exam, No. of candidates appeared for the exam, Performance of the candidates etc. As per the previous year cutoff, You should have around 599 marks & rank around 1586 in NEET Entrance Exam for All India Quota seats. You can check the further information with the given below link.

https://medicine.careers360.com/articles/neet-cutoff-tamil-nadu

Good Luck!