Can I do the discount in category wise

Hi dayanababu,

You can use this plugin for category wise discount. Just follow the below steps:

Admin > WooCommerce > Wholesale Discount. Here you will see options to choose categories and discount rules.

Here is the screenshot if the category based discount settings:
https://ps.w.org/woo-wholesale-discount/trunk/screenshot-3.png?rev=2377687

Hope it will help you.

Thanks& Regard