Trace any mobile number in INDIA

Sometimes we get wrong Call from Unknown Number ,and we wanna know from where this call has come
So Here I m giving Such Sites Name By which we can Trace Any Mobile/Landline Number in INDIA .
1) http://www.indiaonapage.com/mobilenumbertrace
(Its For Both Mobile +Landline)
2) http://www.indiatrace.com/trace-mobile-number-location/trace-mobile-number.php
(Can Trace Only Mobile)
3)http://www.hacktrix.com/trace-mobile-phone-location-and-service-provider-details/
4)http://www.mobilenumbertracker.com/default.aspx
5)http://trace.bharatiyamobile.com/
6) http://buyafricanantiques.com/phone_number_lookup.htm