Scholarships in UK

British Chevening Scholarships
The British Chevening Scholarship scheme aims to bring future leaders, decision-makers and opinion-formers to the UK for a period of postgraduate study in UK. To be eligible, you should have a proven record of success and have the potential to rise to a position of power and influence in your chosen career.Chevening awards are given annually to students from a wide variety of countries. They cover all or part of the cost of a one-year postgraduate course to study in UK. Once you have completed the course, you will be expected to return to your home country.*We will not be able to accept any applications for 2011/12 until the details of the new scheme have been agreed. 
https://www.chevening.fco.gov.uk/Che.../CA_Start.aspx

Commonwealth Scholarship and Fellowship Plan (CSFP) The CSFP is aimed at Commonwealth citizens who can make a significant contribution to their home country after studying in the UK.CSFP Scholarships are usually for between one and three years. They cover the cost of travel to and from the UK, tuition fees and living expenses. In some cases an allowance is paid to help with the cost of maintaining your spouse and family in the UK. 
Professional Fellowship awards are typically for three months. They provide opportunities for people working in developing Commonwealth countries to spend a short period of professional updating in the UK. Academic Staff Fellowships offer opportunities for a six-month period of postdoctoral research. 
CSFP

Commonwealth Shared Scholarship Scheme The Commonwealth Shared Scholarship scheme assists students from developing Commonwealth countries who would benefit from higher education in the UK. If you are unable to study in UK for financial reasons and are outside the scope of other British government support schemes, you may be eligible.Awards are for taught masters courses only. Subjects must be related to the economic, social and technological development of the student’s home country. Different dates for different universities.
Commonwealth Shared Scholarships Scheme


Institution specific scholarships There are scholarships which the universities offer under their own name.
Education UK - postgraduate scholarships

Different Scholarship opportunities at UK

OSI/FCO Chevening/University of Glasgow
Full scholarship for Masters Degree in International Politics 2009-2010. Deadline of application: 1 February 2009.

OSI/FCO Chevening/University of St. Andrews
Full scholarship for Masters Degree in International Strategy and Economics, Masters in Middle East and Central Asian Security Studies and M.Litt in Peace and Conflict Studies. Deadline of application: 6 February 2009

PhD Scholarships from London School of Economics and Political Science (LSE)
For 2009 entry, the School is offering 20 full scholarships for new PhD students. The scholarships cover fees and living expenses of £13,000 each year for three years. They are available for Home UK/EU and Overseas students undertaking research in any LSE discipline, with annual renewal subject to satisfactory academic performance at the School. Scholarships will be awarded on academic merit and research potential. Deadline of application is 26 January 2009.

Please visit British Council Website for further details.