An investment of ₹10,000 in an SIP stepped up 10% annually at assumed return rate of 15% will take 29 years to reach a corpus of ₹10 crore, as per Moneycontrol. The same investment will reach ₹1 crore in 15 years and ₹3 crore in 21 years. Over 30 years, an investment of ₹88.2 lakh will grow to ₹11.12 crore.