Home Business Sun Pharma tumbles on report of fresh allegations by whistleblower Business Sun Pharma tumbles on report of fresh allegations by whistleblower By Genpie - January 18, 2019 415 0 Facebook Twitter Google+ Pinterest WhatsApp Shares of India’s Sun Pharmaceutical Industries Ltd slumped over 13 percent on Friday to near six-year low, after a media report of a complaint by a whistleblower raised fresh concerns on the drugmaker’s corporate governance.