Principal Secretary to Government,
Chennai - 600 009.
Tamil Nadu Minerals Limited, Chepauk,Chennai-600 005
INDUSTRIES COMMISSIONER AND DIRECTOR OF PRINCIPAL SECRETARY INDUSTRIES AND COMMERCE,
2nd & 3rd Floor, SIDCO Corporate Office Building,Thiru-vi-ka-Industrial Estate, Guindy,Chennai-600 032.
Finance (Expenditure) Department,
Fort St. George, Chennai-600 009.
Department of Geology and Mining,
Guindy, Chennai 600 032.
Department of Mining Engg.,
No.14(Old No.27),Cathedral Garden Road, Nungambakkam,Chennai-600 034.
Industries Department, Fort St.George, Chennai-600 009.
Plot No.222, Door No.12/15, 4th Avenue, Indira Nagar,Adayar, Chennai-600 020.