Chennai blasts probe: Call data holds the key, sleuths tracks calls over a stretch of 358KM from Bangalore to Chennai.<br /><br /><br />For More information on this news visit : http://www.newsx.com/<br />Connect with us on Social platform at : http://www.facebook.com/newsxonline<br />Subscribe to our YouTube Channel : http://www.youtube.com/newsxlive
