Hello Aspirant!

Exact rank cannot be precisely predicted. Your KCET score is 62 marks ,  so your expected rank will be in range of 10000-20000 . Although it is expected rank, actual rank may differ from it. Your chances of getting  Bsc agriculture seat in top colleges are  low, although it depends on your marks and category.

Below are  the cutoffs of some agriculture colleges for general category :-

College of agriculture ,GKVK Campus, Bangalore   -    1676

College of agriculture, VC Farm, Mandya                 -     2642

College of agriculture, Hassan                                   -      3301

College of agriculture, Navile, Shimoga                    -       3521

College of agriculture, Dharwad                                -        2607

College of agriculture, Vijayapur                                -        5443

College of agriculture, Haveri                                     -        4898

College of agriculture, Shahapur, Yadgiri                 -         6220

College of agriculture, Kalaburgi                                -         5076

Sericulture College, Chintamani , Chikkabalapur    -         4332

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

All the Best!

Hope this helps you