What is the Rule of 15x15x15 in investing？ (Secret to make Rs 10 Cr from mutual funds!)

The rule of 15*15*15 says that if you invest Rs 15,000 per month in an investment option which gives a return of 15% (CAGR), for a consistent period of 15 years, you will build a final corpus of Rs 1,00,00,000 (One crore).