Onesource Specialty Pharma Limited has informed the Exchange regarding 'Disclosure under Regulation 29(2) of the SEBI (Substantial Acquisition of Shares & Takeovers)Regulations, 2011 and Regulation 7(2) of SEBI (Prohibition of Insider Trading) Regulations, 2015.Promoter entity (Tenshi Pharmaceuticals Private Limited), has purchased 200,000 equity shares of OneSource Specialty Pharma Limited, from the market, on January 28, 2026.'.