Hi, 

JSS medical college mysore is one of the deemed medical colleges and is of a good repute in karnataka.

Acc to last years cutoffs a score of above 320-350+ can be considered as a safe score if you belong to SC category.

With your score your chances seem to be less. 

You can try however in other deemed universities especially those in south 

I shall attach a link below which can help:

https://medicine.careers360.com/neet-college-predictor