I am years old and my annual income is lakhs.

Show me how much I can save in taxes?

Guess what?! You don’t need to pay any taxes since your annual income is 2.5 lakhs or less.
Think you’ll want to save some with your raise next year?

By investing in Mutual Funds, Life Insurance, EPF/PPF you can save under section 80C

Have you saved it all?

How much have you invested in/spent since April 2016?
You can put in approximate numbers