Mr Modi is bristling with resentment at a US that denied him a visa in 2005 over his role in the 2002 Gujarat massacres and only lifted the ban recently. In contrast, Mr Modi visited Japan five times during that period and China on three occasions – always getting the red carpet treatment.
Normally Indian chief ministers meet one member of the Chinese politburo. On his most recent trip Mr Modi met four. Uniquely for a provincial leader, he was also received in the Great Hall of the People. President Xi Jinping clearly saw Mr Modi coming. Mr Obama denied him entry. That, at least, is how Mr Modi sees it.
Modi's existential challenge to Obama - FT.com