Corporate Office (Delhi)
A1/231,Lower Ground,
Safdarjung Enclave,
New Delhi - 110029, India.
Tel - 011 - 4601 8571/ 72/ 73
Fax No. - 011 - 4601 8574
E-mail - admin@iosindia.com.

Registered Office (Mumbai)
79/87, D Lad Path,
Mumbai - 400 003, India.
Phone No.: 022 - 3946 9962
Fax No.: 022 - 2373 9381, 2371 9665