 He moved to Hong Kong in 1991 in order to set up a consumer goods joint venture between Pepsi and Hutchison Whampoa.Shortly thereafter, he became the CEO of AS Watson Industries, a subsidiary of Hutchison Whampoa (1991–1998).In 1998, Ghosh took the role of leading Hutchison Whampoa's telecommunications joint venture in India, where he served as the Managing Director and CEO of Hutchison Essar Ltd. Ghosh served in the role until announcing his retirement in March 2009.