Oxfordshire

Yes, you can get admission.

for abroad first need u should be millionaire

Definitely LSE its one of the most renowned institute in the world.

please go through this link for more detail information http://www.eng.ox.ac.uk/study-here/undergraduate/applying-for-admission

Its 650 above as per the latest info. You may check other requirement here.
http://www.sbs.ox.ac.uk/programmes/degrees/mba/how-apply-mba/mba-application-requirements

Hi Leena, can you mention which level of study you are referring to ? In any case you may check the program specific admission requirements on the websites. However feel free to revert.

Dear Ritu, you will find online application both the university websites. They also have the application checklist and documents you need to upload. Eligibility criteria varies again according to the program you want to study. Nevertheless you must excel in your academics as these are two of the world's top universities. I will suggest you first visit the websites.
Best Wishes

Hi Debasish,
The fees for the program and estimated living costs are mentioned on the department website. Here they are
http://www.ox.ac.uk/admissions/graduate/courses/msc-computer-science#content-tab-4
http://www.ox.ac.uk/students/fees-funding/living-costs/
Good Luck