Leading Indian pharmaceutical companies such as Nicholas Piramal, Orchid Chemicals and Jubilant Organosys, have tied up with foreign companies to leverage technology, talent and cost-benefits to develop new chemical entities (NCE). Zydus Cadila, the latest to join the bandwagon, announced on February 4 a collaboration with Karo Bio of Sweden, an upcoming drug discovery company with expertise in nuclear receptors (a group of specific drug targets), structural biology and drug design. FOREIGN AID