Hello, hope you are doing well!

Bachelor of Science (B.Sc) in Forestry is a full-time four-year undergraduate degree course offered by the University of Agricultural Sciences, Dharwad and approved by the Indian Council of Agricultural Research.

A person, who has passed Higher Secondary/Intermediate (10+2) with science stream or any other examination recognized as equivalent there to, shall be eligible for the course.

So, yes you are eligible for the course.

The fee structure is not available on the internet for Colleg of Forestry, Sirsi but usually the average fees of Bsc in Forestry is Rs.35000.