Washington: The United States considers it "definitely feasible" to get the remaining steps on its civil nuclear deal with India completed if New Delhi approves the agreement stalled by opposition from the ruling coalition's Leftist supporters.

"I think, if the Indian government approves it, I do think that then what remains is to get an agreement with the International Atomic Energy Agency (IAEA) and with the Nuclear Suppliers' Group (NSG)," a senior official told a TV show.

"But I think those things are definitely feasible," Deputy Secretary of State John D. Negroponte said in an interview with Charlie Rose. "But right now the main stumbling block is the internal Indian political process.

"And they're going to have to work that out," the second ranking State Department official said discounting suggestions that the agreement was in trouble because of statements by US lawmakers about deadlines imposed by the US election calendar were putting pressure on Prime Minister Manmohan Singh.

The nuclear deal can be implemented only after final approval from the US Congress after India reaches an agreement on India-specific safeguards with IAEA and the NSG changes its rules for India to let it resume nuclear commerce suspended since its first nuclear test in 1974.

"...the nuclear agreement, at the moment, it's held up in the Indian political process," he said acknowledging: "The (Indian) government is committed to it.