In a 16-page letter dated April 10 and sent to the Drugs Controller General of India, Lilly said it had halted the campaign 'out of an abundance of regulatory caution' following a March advisoryIn a 16-page letter dated April 10 and sent to the Drugs Controller General of India, Lilly said it had halted the campaign 'out of an abundance of regulatory caution' following a March advisory Latest News [ SOBAN NEWS: International and National ]