Google seems to be testing a new look and user interface for the sitelinks in the Google search results snippets. I had two different people from India send me screen shots on Twitter, including @V_VipinYadav and @himani_kankaria. The new look shows the sitelinks lined up vertically instead of them in a side by side grid format.
Here is a screen shot from Twitter of the normal look on the left and the test interface on the right:
I cannot replicate this, I've tried numerous methods and I am out of luck.
In any event, both looks are fine with me - I am not sure which one would be better here.
Forum discussion at Twitter.