TCG Lifesciences Private Limited

Founded in Kolkata in 2001 as Chembiotek Research International, part of The Chatterjee Group. It provides discovery chemistry and biology, DMPK and analytical development services, alongside contract manufacturing. Its TCG GreenChem subsidiary operates in Hyderabad and at Ewing, New Jersey. It declares more than 1,300 scientists, over 300 of them holding doctorates.