BENGALURU, Oct 14 (Reuters) - Google said on Tuesday it would invest $15 billion over five years to set up an artificial intelligence data centre in India’s southern state of Andhra Pradesh, its biggest ever investment in the world’s most populous nation.

The U.S. tech giant’s plan comes amid a tense diplomatic standoff between New Delhi and Washington over tariffs and a stalled trade deal, as Prime Minister Narendra Modi has urged a boycott of foreign goods.