Hey.
The cut off for admission in government colleges in West Bengal under the State quota for the SC category in the previous year 2018 was a rank of 122666 and  a score of 349 marks.
The cut off changes each year due to several factors like level of difficulty or level of Competition etc. This year as the paper was easier the cut off based on marks will be higher than before.
Considering your rank, and the previous year last rank you seem to have a fair chance of Admission here.
You can use the link below to check the previous year trends.
https://www.google.com/amp/s/medicine.careers360.com/articles/neet-cutoff-west-bengal/amp
Best of luck.

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