If your category rank is 769, the chances of getting a seat in Plant Pathology depend on your category, total seats available, and cutoff trends. In ICAR AIEEA PG, Plant Pathology is a popular subject, so cutoff ranks are usually lower. Still, in later rounds, some seats do open up, giving you a fair chance. If you belong to SC, ST, or OBC categories, chances improve further compared to General. You should keep attending all rounds of counseling. Checking last year’s cutoff for your category will give you the best idea.