Hah...you hv a gr8 mindset to do a lot of things in a shortest time period...gr8....did u plan your career graph (education)...if no then do it now...time consuming in achieving those will tell you how to go about it. Law is good thing....if you are in Bhubaneswar,Odisha..contact Utkal University and they will guide you for the course on Law..n about PhD...it is better u do it from the same institution from where u hv done MBA (if u r doing PhD on any topics related to MBA), if the institution does not have the option then best will be Utkal University or KIIT, where you will get at least some good guidance to accomplish your desire.
Before taking admission to PhD, get in touch with the students who are doing it, so that you will be able to know about the GUIDEs, who are good and worthy. This homework is necessary.
Again ask yourself "acquiring so much qualification is necessary or sacrificing yourself for others desire".
Sit quietly, plan, then convince your folks about your plan. Try to make them understand where you will be after 5 - 10 years from now.
Lastly change your mindset from "Gals can never do what they wish".....they can, but they don't put it properly, Hope my suggestion will help you, if not then do let me know, so that I can change/upgrade myself, which also help me in counselling more n more people having this problem. Tnx, Arminta