Hello Sir
The department of geology and mining is located at Department of Geology & Mining
Thiru. Vi. Ka. Industrial Estate, Guindy, Chennai - 600 032
Phone : +91-44-22341873, +91-44-22341874, +91-44-22348788
Fax : +91-44-22341158 E-mail : geomine (at) tn.nic.in
You can write to them and find out about the one nearest to your place or will they provide the certificate
Regards
Ashwini