Hello aspirant,

CS is termed as company secretary whereas CA is termed as Chartered accountant..CS is responsible for corporate accounts whereas CA done mostly auditing.Cs exam laid more stress on theortical subjects whereas CA laid more stress on practical subjects.If you do CA it will open door to more opportunities as compared to CS. On an average CA earn more than CS. Other  courses you can enroll for is CMA,CPA,CFA.

Hope this answer is helpful for you.