Hatoyama would be meeting Rajendra Pachauri, head of a Nobel Winning panel of climate scientists and will discuss how to generate the momentum of tackling global warming after the Copenhagen climate accord, which failed to reach targets.

Ahead of his departure, Hatoyama said that he wanted to deepen discussions on sissues like disarmament, nuclear (non proliferation), climate economy and economy.

Fast growing India has been quite attractive to Japanese Business as Tokyo relies on exports for economic recovery amid subdued domestic demand.

Hatoyama and Singh would be meeting for the second time after talks in October on the sidelines of the Association of Southeast Asian Nations (ASEAN) in Thailand.

In October, Singh said that India wanted to be benefited from the nuclear power as a clean source of energy. He hoped that Japan would share its technological know how on this front.

Hatoyama had replied that Japan was the only nation which had suffered an atomic attack and would study the possibilities of cooperation.

India, like China, on the climate talks has refused to commit to emission cuts in the new treaty until the developed nations like United Stated present sufficient targets of their own.