The leading vaccine maker is working with Bank of America on the demerger process, said the people cited above. About 60% of Sanofi India is owned by Sanofi and wholly owned subsidiary Hoechst Gmbh. The rest is held by foreign and domestic institutional investors along with retail investors.

French drugmaker Sanofi has initiated a process to turn its consumer healthcare business in India into a listed entity through a demerger, said people with knowledge of the matter.