PM Narendra Modi greeted the US and its President Joe Biden on the American Independence Day on Sunday, the diplomatic courtesy contrasting starkly with the conspicuous silence of the political establishment here over the centenary celebrations of the Chinese Communist Party (CPC) just three days ago.PM Narendra Modi greeted the US and its President Joe Biden on the American Independence Day on Sunday, the diplomatic courtesy contrasting starkly with the conspicuous silence of the political establishment here over the centenary celebrations of the Chinese Communist Party (CPC) just three days ago.