Registered Office: Chennai Telephone: 91 44 827 3450 / 5556 (Old) 91 44 2827 3450 / 5556 (New) Corporate Office: Kolkata Telephone: 91 033 460 1293 / 1304 / 1980 / 1982 / 1983 (Old) 91 033 2460 1293 / 1304 / 1980 / 1982 / 1983 (New) Fascimile: 91 033 460 1281 (Old) 91 033 2460 1281 (New) Regional Office: New Delhi Telephone: 91 011 644 8400 (Old) 91 011 2644 8400 (New) India Development Center: Kolkata Telephone: 91 033 417 8434 / 35 (Old) 91 033 2417 8434 / 35 (New) Fascimile: 91 033 422 1264 (Old) 91 033 2422 1264 (New)