M.Com

To be eligible for PhD you need to pass master's / M.Phil. You need to sit for an entrance exam. For specific criteria and admission details you may contact the college officials directly.
Some of the universities offering PhD :
-Delhi Technological University (DTU)
-Goa University
-Anna University
-Acharya Nagarjuna University
-Banaras Hindu University
-Indian Institute of Science
-Jadavpur University
-Jain University
-Birla College of Arts Science & Commerce
For more, you may refer to the below link :
https://engineering.shiksha.com/phd-courses-in-india-categorypage-2-68-1-0-0-1-1-2-0-none-1-0
While selecting the best, you need to check some of the important parameters such as recognition, year of establishment, syllabus, faculty, fees etc.

Farhan, candidates after completing the M.com course have ample opportunities. This is because of the expansion of business due to the use of latest technology. Most of the leading companies require candidates with experience and qualification.
Employment AreasBanksBudget PlanningBusiness ConsultanciesEducational InstitutesForeign TradeIndustrial HousesInventory ControlInvestment BankingMarketingMerchant BankingPublic Accounting FirmsWorking Capital ManagementPolicy PlanningPublic Accounting FirmsTreasury and Forex Department
Job TypesAuditorsBook KeepersBudget AnalystsBusiness ConsultantsChartered Management AccountantChief Financial OfficerFinance ManagersFinancial AnalystHuman Resource ManagersInvestment AnalystsMarketing ManagersStock BrokersTeacher/lecturer
After earning an MCA degree from a reputed Institute, there is plethora of job opportunities available in the market. MCA post graduates are hired both by Government agencies NTPC, GAIL, BHEL, etc and private IT companies like Accenture, Infosys, Wipro, TCS, Cognizant, IBM, American Express, HCL, HP and so on. As a fresher, an MCA professional can expect anything around 2.4 to 3.4 lakhs, and with experience, sky is the limit! With some years of experience, a Software Engineer can become a Lead, an Analyst, a Project Manager, a General Manager and so on. Initially MCA students are given a few weeks of training on the job, before they get started on LIVE projects. They need to work in different roles and areas in the beginning and then gradually specialize in a specific field. After getting an MCA degree, one can enter any of the following roles:
1. Software Developer/Programmer/Engineer
2. Troubleshooter
3. System Analyst
4. Software Application Architect
5. Software Consultant
6. Hardware Engineer
7. Technical Writer
8. Systems Developer/Engineer
9. Web Designer and Developer
10. Starting a new Venture
Based on it you can decide which one to choose.
Many good universities are offering the courses along with good placements for the students. Some universities also offer scholarships to make education affordable for all.
Good luck.

Vinay, I feel M.Com is better because of better career options available. The need for highly qualified candidates is increasing day by day. This is because of the expansion of business due to the use of latest technology. Most of the leading companies require candidates with experience and qualification.
Employment Areas
BanksBudget PlanningBusiness ConsultanciesEducational InstitutesForeign TradeIndustrial HousesInventory ControlInvestment BankingMarketingMerchant BankingPublic Accounting FirmsWorking Capital ManagementPolicy PlanningPublic Accounting FirmsTreasury and Forex Department
Job Types
AuditorsBook KeepersBudget AnalystsBusiness ConsultantsChartered Management AccountantChief Financial OfficerFinance ManagersFinancial AnalystHuman Resource ManagersInvestment AnalystsMarketing ManagersStock BrokersTeacher/lecturer
So after completing M.Com there is a lot of opportunity for the candidates. Candidates can choose whether to go for higher studies or to get a job.
Many good universities prepare students for placements and give them placement assistance too. Check websites of some good universities.
Good luck.