RS Software (India) Ltd. engages in the business of development and maintenance of computer software and other related services. It specializes in merchant acquiring, quality assurance and testing, data analytics, digital payments, security and compliance, and core processing. It operates through the A (USA) and B (Rest of the World) geographical segments. The company was founded by Rajnit Rai Jain on December 12, 1987 and is headquartered in Kolkata, India.