A monthly systematic investment plan (SIP) of ₹10,000 over a period of 15 years at a return rate of 12% per annum will grow into a substantial corpus. At the given rate and time, it'll generate around ₹47.59 lakh. The invested amount in this plan is ₹18 lakh, whereas the estimated return at the given rate is around ₹29.59 lakh.