How will a ₹5,000 monthly SIP grow with 10% annual step-up in 5, 10 and 20 years?

A monthly SIP of ₹5,000 (with 10% annual step-up) will generate an estimated return of ₹1.26 lakh on an investment of ₹3.66 lakh at 12% expected rate of return in 5 years. If the tenure is increased to 10 years and 20 years, a person will have a maturity corpus of ₹16.87 lakh and ₹99.44 lakh, respectively.