A lumpsum puts the whole amount in at once, while a SIP invests a little every month. A lumpsum compounds fully from day one, but market ups and downs also hit the whole amount at once.

Divide 72 by the yearly return to estimate how many years it takes for money to double. At 12% it is about 6 years; at 8% about 9 years.

Prices rise every year, so ₹1 lakh ten years from now will buy less than ₹1 lakh today. The inflation switch shows a future amount in today’s money.