Mumbai-based fintech startup KhataBook is in advanced talks to raise up to $85 million, where Chinese gaming giant Tencent may invest $70-75 million, Entrackr reported. The rest $5-10 million will come from GGV Capital, as per Entrackr's sources. KhataBook has raised a $20-million Series A round from DST Partners Fund, Ribbit Capital along with 20 angel investors, the sources added.