There are students from loads of countries at Surrey. Post grad particularly. Chinese, Thai and Taiwanese, Indian, African. The post grad students tend to be mostly from overseas but not all Asia. For example there are quite a lot of Greek students. Probably about half or just over undergraduates are UK students, but it's still a real mixture. In Guildford and the area itself then it mostly looks like European, probably British or whatever. But there are also a great many young people who are Chinese, Thai, Indian, when you go to the town centre.
You won't be the only Indian there! There's loads of people from India in the School of Mangement. Half of the staff are from overseas (Turkey, Albania, China, India, Greece) as well.