Stop spraying.

Not a bug or disease.

Sunlight.

Yeah. Most leaves look like sun damage and a few look like they got too much water a week ago

Thank you Jean and Tyler. What can we do to reduce sun damage? May be nothing :(

Thanks, Chitra

Usually the damaged leaves will die and fall off but the plant will continue to grow new leaves that can handle the sun. Make sure your soil drains and isn't holding water

Thanks again for the advice. I'll make sure that the water is not accumulating around the plant.