Career

Hi,
CTET mean central teacher eligibility test. CTET organized by Central government for the Central Government school. TET mean Teacher Eligibility Test but TET is organized by State Government for Government sponsored school or some state government school.
To become a PGT government teacher you must have a B.Ed. After completing B.Ed. you will not get government job in schools because your B.Ed. will get completed when you give CTET (Teacher Eligibility Test).
But, in some cases students who do not pursue B.Ed. also get PGT government jobs. For this, NCERT and other state board government recruit the PGT teachers on the basis of the written test. They published this time of recruitment in the employment newspapers. But, only those candidates will apply in that test which have some school teaching experience and high qualification.
So, I will suggest you to give B.Ed. entrance test and if you qualify, it would be the best. But, if you fail to qualify the same then do your PG course and while doing PG course you can prepare for B.Ed. and then after completing PG you can apply for B.Ed. After completing B.Ed. you can also apply for M.Ed. course which can help you to become a principal.

A few of the job profiles in which graduates of M.Com can start career in both private as well as public sectors include:
Accountant
Actuarial Consultant
Book Keeper
Budget Analyst
Cashier
Chief Information Officer
Finance Manager
Financial Advisor
Financial Analyst
Financial Controller
Financial Planning
Internal Auditor
Mutual Fund Broker
Securities Analyst
Stock Broker
The newly trained teachers have a wide range of options in various different types of schools, which are usually under private sector. Some of them are listed below.
ICSE Syllabus Schools
CBSE Syllabus Schools
SSLC State Syllabus Primary Schools
SSLC State Syllabus High Schools
International Syllabus Schools
Residential Schools
Girls Only Schools
Boys Only Schools
Montessori Schools
Alternative education Schools
Schools for special purpose

In terms of job prospects, both are good. I would list the pros and cons of both.
Suppose you consider medicine as your career:
Pros:
Better prestige and respect.
You can be your own boss if you open your own clinic/hospital.
You'll be able to serve people.
Money (However, exceptions are there in comparison to software career).
Cons:
Becoming a doctor means you need to study for almost 8-9 years (considering you go for Masters after completing your Bachelors).
Moreover, getting into Masters is not that easy.
Cost of studying (depends on the institute you take admission) and then cost of clinic/hospital.
Tremendous responsibilities.
Suppose you consider software development as your career:
Pros:
Less responsibilities at least in the initial years.
Less years of studying.
Comfortable working conditions. No mid-night emergency calls.
Work from home (Depends on the company you work for).
Cons:
Prestige and respect might be less as compared to a doctor.
Less money as compared to a doctor (again it can vary and exceptions are always there).
Global competition and outsourcing. Layoffs.
Coding can get boring after initial few years.