New Delhi: India, the fastest growing major world economy after China, can sustain growth rates of 9-10%, Prime Minister Manmohan Singh

Better economic efficiency: (left) Chairman and CEO of Time Warner Inc. Richard D. Parsons and Prime Minister Manmohan Singh at the Fortune Global Forum in New Delhi on Monday.

The Prime Minister said the signals from the rise in overseas investments in the stock markets were positive. He added that the nation needed $450 billion of investment in infrastructure in five years.