Fortis Healthcare Limited has informed the Exchange regarding 'Disclosure Under Regulation 30 Of SEBI (Listing Obligations & Disclosure Requirements) Regulations 2015 ( SEBI Listing Regulations ) - a Material Litigation Filed By Northern TK Venture Pte Ltd. ( NTK ), The Promoter Shareholder Of The Company, Against Daiichi Sankyo Company Limited Before The Tokyo District Court In Japan.'.