A similarity of 57% is detected in the thesis submitted by a student. As per the UGC Regulations 2018 on plagiarism, the student has committed plagiarism of level

A 57% similarity lies in the 40 to 60 percent band, marking Level 2 plagiarism.

Level 1 covers matches above 10 and up to 40 percent only.

Level 3 begins only beyond 60 percent similarity.

There is no Level 4 in the graded scheme.

A 57 percent match rests within the Level 2 band.

For a thesis, Level 2 can bar resubmission for a set period.