B.Com

Where are you asking for the availability?

That's an internal matter of your college. Only they can decide on such requests.

You could apply at the time of B.Com itself, because B.Com and LLB together helps to you know save the time and years.

Yes you can. But acceptance rate varies from college to college and the country.

You can apply online for distance education for M.Com.

Now complete Masters in English then go for B.Ed then apply for STET and then you can become a PGT English teacher.

You can take part in counseling for B.Ed colleges in your state or some colleges give direct admissions too. But for govt colleges you must be a part in counseling and the college will be decided on your degree marks.

For teaching profession, B.Ed is now compulsory.

You have to qualify stet for state government and CTET for central government teacher.

It won't be that easy to get a well-paid job. But, depending on your skills you may land a good job.