Agriculture

Yes, it is a good enough book. Yet, if you want, you can refer to these books as well:
Horticulture at a glance by Dr. A. S Selaria
Text book of pomolgy - TK Chattopadhyay
Fundamentals of agriculture by Arun katyayan.

You can view the placement record here https://www.bfitdoon.com/placement/.

Yes, you can do. Eligibility: Minimum 50% marks are required in graduation.
Visit this link for more details: https://www.shiksha.com/science/course/m-sc-in-agriculture-agronomy-sanskriti-university-mathura-282945

Hi Kavya!
As you have completed your class 10th through Tamil Nadu State Board. Don't worry. You are definitely eligible to apply for the Diploma in agriculture. Just prepare for Diploma exam. Best of luck.

Admission will start may be in the month of June.

Hi Arun!
As you have completed your graduation in B.Sc. Physics, now, you might have the certificate of the same. Now, if you want to make your career in agriculture, then there is no problem in it. Take admission in any agricultural university in graduation course, complete your graduation in agriculture from there and do whatever you love to do.
Best of luck.

Diploma in Agriculture: Eligibility
Candidates who have completed the 10th examination in Science stream or an equivalent examination from a recognised board are eligible for Diploma in Agriculture course. Candidates who have passed the 10th examination with 50% of marks are also eligible for this course. The percentage may vary from one college to another. Eligible candidates may apply for this course through online or offline.