Dear Aspirant,

Your KCET score is 91 marks (PCMB),  so your expected rank will be in range of 3501 – 4000 . Although it is expected rank, actual rank may differ from it. As you belong to sc category,  you can get admission in good agriculture college.

For further details regarding marks vs rank go through following link;
https://engineering.careers360.com/articles/kcet-marks-vs-rank

Here are the cutoffs of some agriculture colleges for sc category :-

College of agriculture ,GKVK Campus, Bangalore   -    5197

College of agriculture, VC Farm, Mandya                 -     7126

College of agriculture, Hassan                                   -      9228

College of agriculture, Navile, Shimoga                    -       10274

College of agriculture, Dharwad                                -        9280

College of agriculture, Vijayapur                                -        12805

College of agriculture, Haveri                                     -        11551

All the Best

Hope this helps!