India, Feb. 24 -- The Centre will shortly tap various ministries for inputs on tariff and policy tweaks to enhance market access for American goods and services ahead of upcoming trade talks with the US, four people aware of the plans said. The commerce ministry, which will steer negotiations for the India-US Bilateral Trade Agreement (BTA), will soon send out a checklist to various ministries, the people cited here said on the condition of anonymity. The exercise aims to align New Delhi's tariffs better with the US duty structure, they said.P12...