Tiger Global is in advanced stages of talks to back Indian embedded finance startup Yap, according to more than half a dozen people familiar with the matter. The New York-headquartered firm is in talks to lead a $35 million financing round in Yap — also known as YapPay and M2P — that values the Bangalore-headquartered startup at about $350 million, up from about $67 million in March this year (per data insight platform Tracxn), the people said. At the current stages of negotiation, Tiger Global plans to invest between $25…