Illustrations at an assumed rate of return — not a promise. Actual mutual fund returns vary and can be negative.
Most people's income rises every year. A SIP that rises with it ends up far ahead of one that does not.
Works backwards from the monthly income you want, in today's money, and allows for inflation both before and after you retire.
The other way round: you name the monthly amount, this tells you how long it takes.
Education inflation runs ahead of general inflation. The cost today is the number to plan from, not the number to save.