Sorry this challenge is full as required number of users have already registered. how to join this challenge it comes this error
The number of users required for this challenge have already registered. You can register for the next science challenge:
http://www.satoshiquiz.com/challenges.php?i=aac753212040 places left.
but Starting time is
2015-03-10 20:00
Remaining : 46 hr 1 min
its very long wait to play the challenge can you have any emergency entry in the challenge with high entry fees
Tatkal Ticket

Will try and add the feature soon.
lol Indian railways I think you are from the India
I am waiting for this feature in your website