ANAND DYES and INTERMEDIATES Address: Plot No. C-1-B, 141-1, 143-3, Phase-II, GIDC Estate, Naroda, Ahmedabad-382 330, Gujarat, India Contact Person: Mr. V. K. Patel, Mr. M.H. Patel Manufacturer of 2-Nitro-4-Amino Diphenylamine-6-Sulphonic Acid, 4-Sulpho Anthranilic Acid, 4-Nitro-4'-Amino Diphenylamine-2-Sulphonic Acid