As you are aware there are lots of websites and publishers like taxmann, ctronline etc. which provide database of case laws related to direct taxes and charge a hefty fees for the same. We have found a free search engine for case laws which is quite good, I will not call it 100% accurate in reporting each case law, but it does report majority of the case laws and you can search it just like google. Further, it has case laws related to various laws including the Direct & Indirect Tax Laws.
I find the search function of this search engine better than even Industry Leaders and is one of the easiest to use. Don’t Believe me try it at