The hours are long and the time difference tough but, shuttling between their offices in Cambridge and Ahmedabad, Sunil and Prashant Shah co-ordinate a fledgling company that is riding India’s fast-growing pharmaceuticals wave.

Since April 2005, cheap travel, telephony and cameras in their laboratories have allowed the two entrepreneurs to build Oxygen Healthcare into a business marketed from the UK to European and North American biotech clients, with their contract chemistry conducted in Gujarat.