B.Sc Botany

Yes you are eligible to appear for M.Sc. In botany. Eligibility criteria for M.Sc Botany is as follows. Recognized undergraduate degree in B.Sc. Or equivalent
A recommended minimum score at the level of graduation which can vary from college to college
For admission to M.Sc. Botany course, all universities follow their own admission norms. For instance, University of Delhi prepares a merit list on the basis of which University Colleges take admissions. Most of the institutions have direct entry as admission mode. However, there are some universities which prefer to conduct entrance tests for admissions. Hence, the students who have appeared in final year examination of under-graduation and await the result are allowed to apply for the course by such institutions.

Here are some of the list of things, you can start:
1. Start from the beginning: Figure out what all physical and mental aspects where you lag and start working on those things from scratch. For example: maybe your face doesn't have a good jaw line, Now all you have to do is start working on your face structure. Surf the internet and find out how to get your face in a good shape.
2. Take a membership in any a decent fitness center: Yes, fitness is a crucial part when you talk about modelling so in order to get in a good shape, you must have a right guidance to work on yourself. Maybe you can go for a PT (Personal trainer) and a dietitian.
3. Go for a professional photo shoot: Make your profile to show how you look, how you face the screen and how confident you are.