The start-up has raised $7.4 million in a Series B funding round led by Ratan Tata`s RNT Capital. : New Delhi: Axio Biosolutions has raised $7.4 million in a Series B funding round led by Ratan Tata`s RNT Capital along with existing investors Accel Partners and IDG Ventures India, a company statement said here on Friday. The company plans to use the funds for expansion to new markets, while continuing to work on high-impact medical products. Headquartered in Boston, Axio Biosolutions has its corporate office in Bengaluru and GMP certified manufacturing facility in Gujarat.