New Delhi, July 31 -- The US's imposition of a 25% tariff on Indian exports starting 1 August has cast a shadow over bilateral trade, creating fresh uncertainty for exporters. In addition, uncertainty over a potential penalty, tied to oil and defence purchases from Russia, may cloud pricing strategies and disrupt supply chain planning, making it harder to estimate landed costs. This was set to weigh on short-term business sentiment, analysts said. "Without clarity on the quantum of the penalty, Indian exporters and the US importers are left with no firm basis to calculate landed costs or assess how the tariff burden can be absorbed," said Ajay Sahai, director general and chief executive at the Federation of Indian Export Organisations (FIEO...