Why there will be no India-US deal during JD Vance's visit? What is Donald Trump's main intention?

The visit of JD Vance has come on the heels of Modi's US trip in February, when the two countries resolved to increase the bilateral trade to $500 billion in 2030. However, almost at the same time, US President Donald Trump announced reciprocal tariffs and announced the imposition of a 26% tariff.