Hey,

With 557 marks, you will get a rank between 19967-23501. You can check here

Since you did not mention your category, I am assuming you are of general category.

Based on previous year cut off, you have chances of getting a MBBS seat in the following self financing colleges in Tamil Nadu-

• Christian Medical College
• CMC Vellore
• PSG Institute of Medical Sciences
• IRT Perundurai Medical College
• Melmaruvathur Adhiparasakthi Institute of Medical Sciences

To know more about Tamil Nadu cut off, check here https://medicine.careers360.com/articles/neet-cutoff-tamil-nadu

Since you are from outside Karnataka, there is little to no chance of getting private open seats there as last year it closed around 17839.

Since you are from Kerala, you have a chance of getting MBBS/BDS seat in the following colleges -

• Pariyaram Medical College
• Amala Institute of Medical Sciences
• Azeezia Medical College
• Believers Church Medical College
• MES Academy of Medical Sciences
• Sree Gokulam Medical College
• Jubilee Mission Medical College

To know more about Kerala cut off, you can check here https://medicine.careers360.com/articles/neet-cutoff-kerala

With that being said, cut off varies every year depending on number of candidates appearing for the exam, number of candidates qualified, the top NEET marks and the difficulty of the exam. To get a list of colleges in which you have a chance of getting MBBS/BDS seat, you can use the NEET College Predictor