New Delhi, March 8 -- It took a push from US President George W Bush to wrap up the first phase of crucial negotiations to implement a bilateral civil nuclear power cooperation agreement, with India and the US okaying an agreed separation plan.

Announcing the "historic" decision at a joint press interaction with the US president on Thursday, Prime Minister Manmohan Singh said but for Bush's "initiative", the deal would not have happened.

Sources said the deal, by which India will complete the phased separation of 65% of its civilian nuclear reactors from the military by 2014, was clinched after days of intense negotiations among top officials, and an hour of talks between Singh and Bush.

The US administration will now approach the US Con...