RagaAI, an AI testing and safety firm founded by former Ola Electric and NVIDIA executive Gaurav Agarwal, announced its first institutional funding of $4.7 million led by AI and machine learning-focused investor Pi Ventures, according to ETtech report. Anorak Ventures, TenOneTen Ventures, Arka Ventures, Mana Ventures and Exfinity Venture Partners also participated in the funding…