What should I do to get chance in a good agricultural college

B.Sc. Agriculture is a 4-year professional undergraduate degree awarded by Indian Universities for 10+2 students preferably with Science stream. You must have to complete 10+2 with physics, chemistry, biology and must have secured at least 50% marks. Some top colleges also demand for 75-80% marks. Some top agricultural universities are-
IARI, Tamilnadu Agricultural University, IASRI, Govind Ballabh Pant University of Agriculture and Technology, National Dairy Research Institute (NDRI), IVRI etc. And many more other colleges are there also. Choose college of your choice and then look whether admission is based on any entrance exam or based on the score obtained in +2. Then apply. But before applying, always look the eligibility criteria.