Membrane Group India, a leading water and wastewater technology company based in Gurugram, has secured US$50 million (approximately Rs. 420 crore) in growth capital from GEF Capital Partners, through its South Asia Growth Fund III. The investment aims to strengthen the company’s position in high-demand sectors such as ultrapure water (UPW) systems, zero liquid discharge (ZLD) solutions, and wastewater reclamation technologies.