Infosys on campus upgradation test(2026)

In our college we had infosys appeared for upgradation test on Jan 8th 2026 and interviews were held on Jan 12th 2026. We got results on Jan 29th 2026. Where I have selected for DSE role but It was only informed by our tpo not officially from infosys through mail or no offer letter since then.When can we expect any update from infosys.?And what are the streams available for DSE is there ML.?(2026 passing out)