Skyroot Aerospace is in talks to raise $300 million in two tranches priced at different valuations, as the spacetech unicorn looks to scale up rocket production following its maiden orbital mission, people aware of the discussions said.Skyroot is in talks with Indian family offices to raise $150 million at a valuation of $2.3-2.5 billion, while the company is seeking to mop up the same amount from global investors such as General Catalyst,