Thousands of tonnes of refined palm oil are delayed or stuck at various Indian ports after the world's biggest edible oil buyer placed restrictions on imports amid a diplomatic row with key supplier Malaysia, multiple sources told Reuters. India announced the curbs on imports of refined palm oil on Jan 8 in a bid to help domestic refiners raise their plant utilisation rates, according to industry officials familiar with the matter. In a typical year India relies on imports for almost all of its supply of the vegoil used in everything from soap to cookies. But Malaysia, the ...