CCAT

Comprehensive CDR Analysis Tool

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Steps to use the software:

Acquire a CDR(Call Data Record) Officially.
Install MS-Excel on your system and use Microsoft Windows as an operating system as some macros may not work in other OS.
Use the CCAT CDR converter to convert it from any company's format to a particular format.
Run the python Code to get a finalized CDR Analysis Excel Sheet.
Get the cell ids, LAC, MNC, MCC and use the curl command to get latitude and longitude.
Again use the CDR Converter to convert it to a KML file.
Install the google earth.
Open the KML file on Google earth and get to know the path of your target.

Details with pictures

Sharad Agarwal