India will be affected if Donald Trump becomes President of the United States - particularly in regards to Trump's antagonism towards Iran. Indeed, there is no country on the planet whom Trump hates more than Iran:
Meanwhile, India is dependent upon Iran for its Central Asian security policy. Christine Fair of Georgetown University has argued for greater US acceptance of Indo-Iranian cooperation:
If Trump becomes president, we'd better watch out for him attempting some radical things, including ditching the recent detente policy towards Iran in favour of him patching up relations with Pakistan, which would neither be in America's nor in India's best interests.