The test is followed by a Technical and a HR interview. The Some puzzles may also be asked in the interview
The Written Test consists of three sections.
The first section is an aptitude section.
The second section is a 10 data interpretation questions section
For this section you follow the GRE book.
In these questions some graphs will be there and the related questions will be asked.
.so you prepare from gre book.
The third section is a Number series with 20 Questions to be done in 7 minutes.
The Forth section is a Figure series with 20 Questions to be done in 14 minutes.
The last section is a Essay. In the last section there was passage.
You should conclude that one in the specified 10 min.
It would be better to prepare a computer related topics like client server, internet etc..