Protonn, a business-in-a-box platform for professionals, has announced a seed fundraise totaling $9 million. The round is led by Matrix Partners India along with other venture investors including 021 Capital and Tanglin Venture Partners. Angel investors participating in the round include Binny Bansal (co-founder, Flipkart), Kalyan Krishnamurthy (CEO, Flipkart), Neeraj Arora (ex-WhatsApp), Sujeet Kumar (co-founder,…