What appears to have started out as mere curiosity led Debarghya Das to force his way past the flimsy security barriers set in place by the CISCE to protect the results database containing the marks of all students who sat for their ICSE standards X or XII exams this year. He then retrieved all the available data including, according to him, student names, and out of further idle curiosity, proceeded to mine the entire set looking for patterns.
Apparently, you now can. TrueCaller is a mobile phone app available for all major platforms which enables the user to identify unknown phone numbers. It identifies the Caller ID by performing a search against a database that it maintains cataloguing phone numbers across the world. The company behind this software is True Software Scandinavia AB which is based in Stockholm, Sweden.