Science

No, there is no entrance exam for this stream.

Hi, you can get college after class 12 th, for pursuing graduation you will get admit in college.
You had to pass 12 th class then after you can go for college.
For more information about college visit shiksha website.

You will have to work hard for government exams after class 12th. It's up to you and if you can do it, you should go for the government exam. You can choose a degree in any of the streams like pharmacy and nursing.

No entrance exam is conducted.

Kindly visit this link:
https://www.shiksha.com/science/colleges/b-sc-food-nutrition-colleges-india

Yes, Jadavpur University offers B.Sc in physics. You can know more about the admission procedure from here:
https://www.shiksha.com/science/course/b-sc-in-physics-jadavpur-university-jadavpur-Kolkata-273123.

In my opinion if you wants bright and calm future then start preparation for UPSC Civil services and IES exam because once you enter here you will get the time bond career promotions and other related benefits. While in private sectors you may got the more money but isolation and busy life which are

Hi, Visit this link to check colleges based upon your rank:
https://www.shiksha.com/b-tech/resources/ap-eamcet-college-predictor
Good luck. Hope it helps.