Investing ₹30,000 every month at an annualised return of 12%, it takes eight years and three months to build the first ₹50 lakh, Moneycontrol reported. The next ₹50 lakh comes in over four years, while the third takes around three years. Growing from ₹1.5 crore to ₹2 crore takes about two years, while the next ₹50 lakh takes 20 months.