Infra investor may set up NBFC and AIF to tap the debt market. : Mumbai: I Squared Capital, which had recently closed a $7-billion global infrastructure fund, is in the process of setting up its credit business in India, said two people aware of the development. So far, the infrastructure investor had only focused on equity investments in roads and distributed renewable energy generation. “I Squared Capital is in the process of setting up a credit business in India.