M.Com

The M.Com degree is a postgraduate course offered for graduates in commerce. This is a two-year course approved by UGC. M.Com Course Details. Course. Com
Eligibility & RequirementsGraduation on Commerce
Duration2 years
Fee for the Course3,700 INR to 12,000 INR for 2 years. Course TypeRegular mode / Distance mode.

Savitribai Phule Pune University, formerly University of Pune and University of Poona, is a collegiate public state university located in Pune, Maharashtra. Established in 1949, and spread over a 411 acres (1.66 km2) campus, the university is home to 43 academic departments.

Utkal University is recognised by UGC. It is a member of the Indian Association of Universities and Commonwealth Association of Universities. Utkal University has been accredited by NAAC with A+ Grade in December 2017 for a period of five years. As per the rules of UGC, aspirants who have completed master's from a UGC Approved University are eligible to appear in the UGC NET Examination. Those who are appearing in their final year examination of master's degree are also eligible to appear in this exam. Best of luck.

Yes, you can do
Yes, you are eligible to join the M.Com course after completion of the B.Com course. Each and every university will conduct its own Entrance Exam to give admission for the M.Com course. As you are telling me that you have not got through the Entrance Exam, it is better to join this M.Com course in private mode or distance learning.

Yes, you can do Ph.D after doing a Masters degree from correspondence. You can also give a net exam, so that you will get admission in a good university.

Course/Duration/Fees
Bachelor of Commerce [B.Com]/3 year (s/)17,565
Master of Commerce [M.Com]/2 year (s)/12,010
Bachelor of Arts [BA]/3 year (s)/17,565
Master of Arts [MA]/2 year (s)/13,256.

Himachal Pradesh University, Shimla Fee Structure and List of Courses Summary
Course/Duration/Fees
Bachelor of Hotel Management [BHM]/3 year (s)/1,80,000
Master of Commerce [M.Com/2 year (s)/440
Master of Philosophy [M.Phil]/1 year (s)/16,517
Master of Science [M.Sc]/1 year (s)/640.

List of Rajasthan University Fee Structure:
Courses/Fees/Duration
Master of Arts [M.A]/3,285/year/2 Years
Master of Science [M.Sc]/3,285/year/2 Years
Master of Technology [M.Tech]/72,000/year/2 Years
Master of Commerce [M.Com]/3,285/year/2 Years.

It is possible to study CA along with job.
To become CA, first, you have to CPT exam and then following exams like IPCC.

Hi. Yes you are eligible for PSTET. For details information you can see below link
https://www.shiksha.com/exams/pstet-exam
Thanks.