Yes u can get sc seat in tmc 

• According to previous years cut off analysis your rank will lie between 194680 - 209322 (which is subjective can change every year) you have decent chances of getting into tmc from sc category as cut off(acc to previous years analysis which is subjective as cut off changes every year) ranges between 162-240 marks and cut off rank ranges between 280082-4,36,935 for tripura domicile students from sc category also i am mentioning previous years cut off ranks and marks:
• cut off for Tripura Medical College and DR BRAM Teaching Hospital, Agartala (Tripura state) for sc category was 280032 against 238 marks in 2018 (good chances of getting in )
• cut off for Tripura Medical College and DR BRAM Teaching Hospital, Agartala (Tripura state) for sc category was 4,36,935 against 162 marks in 2017 (good chances of getting in ) for tripura domicile