5th Flr, Chennai Kaliappa Hospital

# 43, 2nd Main Road

Raja Annamalai Puram

Chennai - 600 028

Ph: 4934623, 4933058

Fax: +91-044-4951460

email: rgstone@vsnl.com

21-A, 14-A Road,

Ahimsa Marg KHAR (West)

Mumbai - 400 052.

Ph: 6057805, 6057806, 6041395, 6043260

Fax: +91-022-6462123

email: calrgsc@bom5.vsnl.net.in

F-7, East of Kailash

New Delhi - 110 065

Ph: 6230642, 6230643, 6216731

Ph: 6470844, 6473599

Fax: +91-011-6218743

email: rgstone@mantraonline.com