How to take bulk actions on orders?

To do that, go to the Orders sections. Click on the Change order status dropdown.  

You can see three options - Pending to Accepted, Accepted to Shipped, Self-Shipped to Delivered.  

Pending to Accepted

If you want to Accept all the pending orders, choose this option from the dropdown. Select the orders that you want to Accept and click on the Change status to Accepted button.

Accepted to Shipped

If you want to Ship all the accepted orders, choose this option from the dropdown. Choose Dukaan Delivery or Self-Ship as delivery method and continue to proceed.

Self-Shipped to Delivered

If you want to Deliver all the shipped orders, choose this option from the dropdown. Select the orders that you want to deliver and click on the Change status to Delivered button to complete the action.

Here's a quick video tutorial: