Avataar Venture Partners, a private equity firm, agreed to acquire a minority stake in RateGain, a travel technology services provider, for $15m. The company, which runs a homegrown travel and hotel software solutions platform, may issue 21.2k cumulative convertible preference shares at $235.08 per share to Avataar Venture Partners, aggregating up to $5m in the first tranche and 42.5k CCPS at the same rate to the same fund amounting up to $10m in the second tranche.