PM Modi wore a shirt and jacket.
Mr Zuckerberg is usually seen in a grey T-shirt, jeans and black hoodie. One of the richest men in the world, the Facebook founder owns many versions of the grey t-shirt and hoodie. When he was asked about his sartorial choice during a Q&A last year, he said he felt like he was not doing his job if "I spend any of my energy on things that are silly or frivolous about my life."
Since Mr Zuckerberg so strongly defends his casuals to work rule, the dress code for his employees raised eyebrows.
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