MBA/PGDM

It should be depending upon your priority, you may choose a field as per the market demand (job availability), your interest area, preferred job profiles and the compensation package. *Marketing
Students opting for this specialisation would be able to GET insights into various key areas required for every organisation or corporation, some of which include market research and analysis, competitive analysis, consumer behaviour, customer analysis, business ethics, product management, brand management,
etc.
*Human Resources
A specialisation in HR helps you understand how to acquire, manage and retain workforce within an organisation in a systematic and organised manner. This area AIMS to provide you with the knowledge and ability to manage employees and execute the related work processes within a company covering various aspects including recruitment, selection, training and development, designing jobs, etc.
*Finance
Your career choice could be in any of these areas: investment banking, asset management firms, hedge funds or private equity, portfolio management, credit risk management, hedge fund management or derivatives. Even the non-financial firms or companies would have their in-house finance department which would provide various job opportunities in finance and etc.

This is a classic question. An MBA is a broader degree and will give you more competencies than just an M.Sc. An MBA will also give you scope to go into upper management at some point should you choose to do so. The M.Sc. Will confine you just to finance. It is a question of choice. This depends on what sector in finance you wish to go. MBA (Master of Business Administration). It makes you jack of all. Means you'll be imparted with all the necessary skills required for flourishing in the corporate sector. M.Sc (Finance). It makes you master of one. It means you will be taught extensively about all the nuances related to finance.
Best of luck.