He wasn't denied entry to the US at the border. He was denied a visa while in India. This is not being stuck in an airport or in detention.
See [1]
[1] http://lawandborder.com/proving-nonimmigrant-intent/#2_The_R...
See [1]
[1] http://lawandborder.com/proving-nonimmigrant-intent/#2_The_R...