Dear Arvind,

Please Find the various sub fields of Marketing:

SALES MANAGEMENT
ADVERTISING & CORPORATE COMMUNICATION
UNDERSTANDING CONSUMER BEHAVIOUR
MARKET RESEARCH & FORECASTING
STRATEGIC MARKETING
MARKETING WARFARE
PRICING THE PRODUCT
DISTRIBUTION MANAGEMENT
CRM
SERVICES MARKETING
INDUSTRIAL MARKETING
PHARMA MARKETING
SOCIAL MARKETING
RURAL MARKETING
GLOBAL MARKETING
FINANCIAL SERVICES MARKETING

Dear Arvind , If You want to make your carrier kindly make sure your are clear in your mind what is your GOAL in your carrier .

You can start your carrier with Services Industries to make it big.

SERVICES INDUSTRIES ARE AS FOLLOWS:

BANKS
INSURANCE
RETAIL
HOSPITALITY
CONSULTING
KPO
IT ENABLED SERVICES
IT SERVICES.

The Best Option Currently is Retail which is at Nascent stage and would grow more than any industry in the coming years.

You can also Look at Insurance & Bank in order to get into Consulting Latter.

If you get a Break in McKensy, BCG, Accenture,KSA , Bain & Co., Delloitte or IBM Business Services , it would the best to start with.

All the Best and Remember Marketing is Just COMMON SENSE which is very UNCOMMON.

ABHAY