SAN FRANCISCO, Sept 26 (Reuters) - Indian Prime Minister Narendra Modi has documented his push to bring U.S. investments and jobs back to India on his Facebook and Twitter pages since landing in the United States this week, posting photos with the likes of former New York City Mayor Michael Bloomberg and group shots with Fortune 500 CEOs. This weekend, his followers can expect a flurry of photos with tech leaders as he visits Silicon Valley and is due to meet with executives from Google Inc, Facebook Inc, Apple Inc and Tesla Motors. Much of his agenda, aimed at deepening ties with the U.S. tech sector, will also focus on connecting with Silicon Valley's Indian diaspora. While Modi is likely to be received like a rock star in an area... More