"Can anyone recommend us some colleges in US and UK which offers courses to overseas students? We would also like to know whether they will offer scholarships."
Most U.S. schools welcome international students and some will offer scholarships. However full consideration for financial aid is very rare. Start out at this link:
Schools Awarding International Financial Aid
The need-blind schools listed on this page are among the most selective in the U.S., so only outstanding students have a reaonable chance of admission. However the state search feature on this site will lead you to other schools that, while not need-blind, are nevertheless international friendly.