B.Ed

There is semester system.

Yes, you can get admission. Please refer the link for details: https://www.shiksha.com/teaching-education/course/b-ed-central-university-of-orissa-orissa-other-268650.

Please check for your eligibility to pursue a B.Ed course from the criteria mentioned below:
B.Ed. : Eligibility
Successful completion of graduation in any of Bachelor of Arts (BA) or Bachelor of Science (B.Sc. ) or Bachelor in Commerce (B.Com. ) from a recognised university
A minimum aggregate score of 50% in graduation
A minimum aggregate score of 55% at post-graduate level
Regards.

For B.Ed, you need to have with minimum 50% marks(45% incase of OBC,SC,ST &PH) either in Bachelor's or Master's degree in Sciences/Social Sciences/Humanities are eligible for this course.
B.E/B.Tech with specialization in science or mathematics with 55% are also eligible.

Some institutes may ask for an experience but it is always better to go for a job along with a distance learning course.

Yes, you are eligible to apply. You need to have minimum 50% to apply for admission.

http://delhituitionguru.com/b-ed-admission-2018-without-entrance-exam-from-Delhi/
You can fill up the form from that upper link.

There are over 5 Teaching & Education colleges in Indore Offering 10 Courses. Please refer to the link provided below for a detailed list of these colleges. You should be able to navigate to a college of your choice using the filters on the web page. https://www.shiksha.com/teaching-education/colleges/colleges-indore.

Yes, you can apply.

You can go for UGC NET as assistant lecturer. Or you may opt for side by side B.Ed through correspondence so after completing both the course M.A. In English and B.Ed you can became teacher. Or you may do short-term course of teaching so your experience in teaching will grow and you'll become teacher easily on the basis of your experience.