Yes definitely after completion of B.Com and M.Com in Economics applicants are eligibilie to pursue Master of Commerce course again .

Few Master of Commerce courses available in India :

• Masters of Commerce in Finance, Banking & Risk Management
• Masters of Commerce in Business Finance
• Master of Commerce in Trade & Services
• Master of Commerce in Tourism Administration
• Master of Commerce in Taxation
• Master of Commerce in Statistics
• Master of Commerce in Sales & Marketing
• Master of Commerce in Marketing
• Master of Commerce in Management Accounting & Financial Strategies
• Master of Commerce in Management
• Master of Commerce in International Business
• Master of Commerce in International Banking
• Master of Commerce in Human Resource Development
• Master of Commerce in Honours
• Master of Commerce in Garment Production & Export Management
• Master of Commerce in Foreign Trade Management
• Master of Commerce in Financial Studies
• Master of Commerce in Financial Services
• Master of Commerce in Financial Risk Management
• Master of Commerce in Financial Management
• Master of Commerce in Finance and Taxation
• Master of Commerce in Finance and Systems
• Master of Commerce in Finance & Computer Applications
• Master of Commerce in Finance
• Master of Commerce in Entrepreneurship
• Master of Commerce in e-Commerce
• Master of Commerce in Cost Control and Control Accounts
• Master of Commerce in Corporate Secretaryship
• Master of Commerce in Corporate Finance
• Master of Commerce in Corporate Accountancy
• Master of Commerce in Co-operative Management
• Master of Commerce in Computer Oriented Business Application
• Master of Commerce in Computer Applications
• Master of Commerce in Business Studies
• Master of Commerce in Business Policy and Corporate Governance
• Master of Commerce in Business Administration
• Master of Commerce in Banking and Finance
• Master of Commerce in Banking & Insurance Management
• Master of Commerce in Bank Management
• Master of Commerce in Applied Economics
• Master of Commerce in Advanced Accountancy
• Master of Commerce in Accounting and Taxation
• Master of Commerce in Accounting and Finance
• Master of Commerce in Accounting and Auditing
• Master of Commerce in Accountancy and Business Statistics
• Master of Commerce in Accountancy
• Master of Commerce Business Management