Hello student, 

Optometry is a very good and very decent subject to study. If you chose to study integrated msc in optometry then nothing better than that. Hyderabad university offers optometry and vision science courses. This university is no doubt having good record for study your respective subject. 

http://www.careers360.com/university/university-of-hyderabad-hyderabad/msc-optometry-and-vision-sciences-integrated-course

Visit the above link is for more details of hyderabad university optometry department. 

On the other hand bsc agriculture is also having good scope in future. Here I'm sharing a link below which you can get the correct information easily. 

http://www.careers360.com/university/sam-higginbottom-institute-of-agriculture-technology-and-science-allahabad/bsc-agriculture-hons-course

Cheers!