The prospects of an interim trade deal between India and the United States before Washington's August 1 deadline have dimmed, as talks remain deadlocked over tariff cuts on key agricultural and dairy products,

Despite five rounds of discussions, the latest led by chief negotiator Rajesh Agrawal in Washington, the two sides have failed to narrow their differences, the news agency reported.

The primary impediments to a swift resolution are India's steadfast refusal to open its politically sensitive agriculture and dairy sectors to US imports.