Throws an error after clicking on total in the state table

Created by: chinmaydalvi

**Description ** Throws an error after clicking on Total in the table state table you can see the error in the JS console. Refer to the screenshot.

To Reproduce

1. Go to the https://www.covid19india.org/
2. open JS console.
3. Click on Total in State table

Expected behavior Should not throw any error.

Screenshots