Process order categorywise in nopcommerce3.7

I am using nopcommerce 3.70
I want my orders should be processed categorywise at the time of checkout.
Suppose in my cart there are three products for category 1,2, and 3 respectively. Then at checkout it gives message that you can't process order with multiple categories and split the cart into three categories and ask to checkout any one category product. After checkout it will prompt to complete any one of the remaining two category product and so on.

Dear Sir,

Thank you for sharing your requirements. We offer best nopCommerce development services. And, we'll be happy to work closely with you to help you with your requirements.

Please can you add me on Skype so we can discuss more on same my Skype id is nopaccelerate.sales2

We are waiting for your reply. :)

Best Regards,
Ashvin
Skype : nopaccelerate.sales2