Coronavirus is unexpectedly providing an opportunity for Singapore Airlines to grab a share of the lucrative Indian market held by rivals Emirates and Etihad Airways through a local affiliate.Vistara, which Singapore Airlines jointly owns with Indian conglomerate Tata Group, is about to get its second Boeing 787 Dreamliner jet, and expects demand for long-haul international travel from India to rise when travel restrictions lift, Chief Commercial Officer Vinod Kannan said in an interview. While…