IIIT Allahabad ( rank 4 )
IIITA ( rank 208 )
IIIT-A ( rank 810 )
all are same.
[kuszi edit: Thanks, done!]
There is one IIIT ( rank 67 ), i am unable to get whether its IIIT Allahabad or IIIT Hyderabad but it must be either of the two institutions. You may ask spoj users by an email to change their institute name to the one with another name ( but same institute ) having higher rank in spoj.