New Delhi: The US and India began reworking a draft agreement to win approval from a global nuclear trade bloc that has been sceptical of the two nations' proposed civilian nuclear deal, officials said on Monday.

A 45-nation meeting on whether to lift a ban on nuclear trade with India ended inconclusively last week after many members wanted to attach conditions, like trying to ban further nuclear tests by the Asian power.

The deal would allow India access to nuclear technology and fuel, overturning a three-decade ban on trade after India tested nuclear weapons in 1974.

The countries in the Nuclear Suppliers Group (NSG) will meet again on September 4-5, when the US is expected to rework the draft for a waiver breaking the nuclear trade embargo.

"The ball has been set rolling," an Indian foreign ministry official said when asked if the two countries had begun reworking the draft. "Our foreign secretary is in the US and the two delegations have been meeting."

US Assistant Secretary of State Richard Boucher met Indian officials yesterday but refused to answer questions on what changes were likely in the US draft.

He hinted last week that the two sides were open to accommodating some changes in the draft so long as they did not impede the bilateral pact. Washington says it was committed to getting the draft past the NSG as soon as possible.

"The US and India will continue our vigorous joint advocacy for the initiative at the highest levels of NSG government," David Mulford, US Ambassador to India, said.

Diplomats say conditions tabled at the NSG included intrusive UN inspections of Indian civilian nuclear sites; cancellation of any waiver if India tests bombs again; and periodic reviews of Indian compliance with the exemption.

Conditions rejected

India says it will not agree to any conditions to get an NSG approval. Sensitive to leftist charges that closer ties with the US will undo its strategic autonomy, New Delhi has insisted on a "clean and unconditional" waiver.

"We will continue to work with our Indian partners to persuade the Nuclear Suppliers Group countries that such an exemption is in the international community's best interest," Mulford said.

Time is running out on the deal which has to reach US Congress for ratification by early September.