Indian Markets are regulated by Sebi and Reserve Bank of India who function under the Ministry of Finance. Take the following links to visit these sites.
Exhaustive coverage of the rules and regulations governing corporates and stock markets in India.This is a new site and uses java extensively.
The Indian Central Banker whose frequency of updating this site is worth emulating. Visit this site which now uses Java extensively, for what ever has been updated recently.
For the latest Budget, Economic survey and important Email addresses relating to the Ministry of Finance visit this site.