Hi Sunil, 

Unfortunately according to the past trends it doesn't seem possible for you to be able to secure admission in either B.SC Forestry or Agriculture, as the cut-offs for the College of Forestry, Vellanikkara close out lowest around 20,000 for a specific category

https://engineering.careers360.com/articles/keam-cutoff

Please download the Trial allotment document for 2018 from the above link to see all the cutoffs for different categories for all colleges in the KEAM for all different branches and streams. 

If you have any follow up queries, please let me know. 

Cheers.