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
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For this section you follow the GRE book.
In these questions some graphs will be there and the related questions will be asked.
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.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..