Hey,  

You have high chances of getting a seat in TSM,  madurai  as the cutoffs for MBC is 47.667 . And,  as your normalised score is 48 , so you can easily get admission in this college.You can also check the TANCET cutoffs for particular colleges by going through the given link : 

http://www.tn-mbamca.com/cutoffmarks.jsp

If it does not work now,  try after some time. 

Best regards :)

Hello Ramya Shree.

Based on previous year cutoff trend and considering your marks. You should get admission in TSM Madurai as previous year least required marks were 40.33 for MBC Category.