Teacher

The minimum level of education required for a college professor is a Master's degree. You should be prepared to earn an undergraduate degree in your chosen subject area, go to graduate school, complete a Ph.D. programme, conduct independent research, and write and publish articles in scholarly journals.

Dear,
As per your query, you should have a Bachelor's degree and a B.Ed degree to apply for the high school teacher post.
All the best.

You have to pursue graduation and after that only B.Ed is possible but it is not necessary to pursue the same from a reputed college. Any college is good if it is recognised by UGC.

The eligibility criteria to become a primary teacher in a government school is as follows:
(a) Degree with 02 years Diploma in Education (DEd)
OR
(b) Degree with 02 years B.T.C., CT (Nursery)/ Nursery Teacher Training course
OR
(c) 04 years Bachelor of Elementary Education (B.El.Ed.).
You may opt for any of the options of your choice.

Dear,
Further, you can start your lecturer ship into the different field but that depends on your master degree education.The options you may opt for Master degree and further lecturer ship you can choose Accordingly
MBA-Finance, International business, Marketing
Psychology
M.com
Development studies
Advertising
Journalism
Tourism
International relations
Foreign language
All the best!