Rags to riches: This Indian billionaire once sold detergent on cycle and today owns Rs 23,000 crore company

Nirma founder Karsanbhai Patel: Karsanbhai Patel is an Indian billionaire born in Gujarat whose journey from a small-scale entrepreneur to a business magnate is remarkable. He is the founder of Nirma detergent. From selling detergent from door-to-door on bicycle to heading a multi-billion rupee conglomerate, Karsanbhai Patel has inspired many entrepreneurs.