For the simple product i can set the minimum quantity of a product from System > Configuration > Inventory > Product Stock Options > Minimum Qty Allowed in Shopping Cart , But in grouped product there still it shows the default quantity 0.
I grouped product's default quantity to be 1 instead 0.
Best Answer
Edit the group product >> on edit page, in the left bar click on “Associated Products” and change the “Default Quantity” values for them.