Mumbai residents cast ballots as India's six-week national elections resume.  Much of the megacity's business and entertainment elite is vocal in their support of Prime Minister Narendra Modi. "It’s a great privilege to have opportunity to vote and I would request all Mumbaikars to come and exercise their franchise and vote today," says Tata Sons chairman Natarajan Chandrasekaran at a polling station. ++ COMPLETES VIDI34RZ8JE_EN ++ IMAGES AND SOUNDBITES