The budget related documents can be found in the website of Tamil Nadu government here. The budget papers for this year have not been updated as yet in this site, but the budget speech can be read here. The webcast of the speech is available here. The speech is conveiniently divided by sections, so incase you are interested in just one section (e.g. Tax, education, social welwafe, etc.), you can easily spot it and read your two or three paragraphs quickly.
For related information on Union budget or budgets of other Indian States, click here.
Budget News & Analysis
News and analysis will be automatically gathered in this space once the budget is presented. For a reasonable summary in Tamil, click here. I’ve written my analysis of the TN budget, which is largely an optimistic note. Reviews, news and analysis appearing in Indian English dailies and online news media will be automatically updated below.

[...] We are living in a time when positive media coverage of budget is restricted either to tax cuts or for reducing fiscal deficits. Despite the fact that enormous proportion of India’s GDP is spent by the government, media hardly discusses what governments spend on, and how. State government budgets are crucial to national development given that states are in charge of important areas such as education, health, water, etc. Given my interests, I have closely followed education, health, child care and a few other sectors – and in many of these TN is a success story in a world scale. This post does not give a critical scrutiny that the budget deserves; I merely wish to point out a few positive things that often do not get much attention in the media and elsewhere. For news and articles on TN Bugdet in the media click here. [...]