All of them have Laptops running Linux with many FLOSS applications.
A NEW CHAPTER IN JUDICIARY AND INFORMATION TECHNLOGY
(Text of speech delivered by justice Yatindra Singh on 9.7.2007 on the occasion of inauguration of the Allahabad High Court Website and launching of E-court project) ......... "About fifteen thousand laptops are being distributed throughout the country and out of these, seventeen hundred are for our State. These laptops have linux—an open source software—as operating system. It is not that open source does not have IPR problems but they are less than the proprietary software.".........
For the remainder see http://kvtrust.blogspot.com/2007/07/new-chapter-in-judiciary-and.html
Best
A. Mani