Carrer after mba marketing through correspondence?

hi i m 24 now.i have worked in bpo's for few yrs,now from past 3 months working with a website design company as a bdm.i am doing mba through corr from annamalai university 1 st year.please tell me how i can make a good carrer in marketing what kind of marketing would be good for me.i have heard about sap crm.but i dont know much about anything please tell me what to do which marketing line should i choose,i m not good in maths my comm skills are good,please suggest.