ET Intelligence Group: The Active pharmaceutical ingredients (API) business, once the less glamorous and least talked about part of pharma manufacturing, has now begun getting its due. Pharma companies - Sun Pharma, Dr Reddys Labs (DRL), Laurus Labs, Biocon and Alembic Pharma - have posted smart growth in API sales for the quarter due to increased demand of certain APIs used in the Covid-19 treatment and the world-wide scramble for alternatives