CignaTTK Health Insurance Company Limited. IRDAI Registration No. 151. CIN U66000MH2012PLC227948. Trade Logo belongs to Cigna Intellectual Property Inc. and T T Krishnamachari & Co and used by CignaTTK. Tax benefit is subject to changes in tax laws. For more details on terms & conditions please read the sales document carefully be... fore concluding the sale. CignaTTK ProHealth Insurance [UIN] IRDAI/HLT/CTTK/P-H/V.II/390/15-16.Cigna TTK Critical Illness - Add on Cover [UIN] IRDA/NL-HLT/CTTK/P-H/V-l/390/Add-on(CI)13-14 .Registered office address- 401/402, Raheja Titanium, Western Express Highway, Goregaon (East), Mumbai- 400 0063+ More