@siddartha
This is tech news section. There are other sections where you can post such questions.
Regarding your qn
Personally I prefer Lenovo (I own Thinkpad) / DELL
But of course, they are not cheap. If you don't mind the quality, but look for cheap, you can go for brands like Acer etc. But again, if you specify your exact budget and requirements, other users may be able to suggest based on it.