Here are six more with suspicious success rates, all attending the Gokaraju Rangaraju Institute of Engineering and Technology.
www.spoj.com/users/telugu_akila/ 64 problems solved in two days
www.spoj.com/users/induriharini/ 70 problems solved in two days
www.spoj.com/users/glaxmipranavi/ 54 problems solved in two days
www.spoj.com/users/lakshmi1212/ 48 problems solved in one day
edit: added some more