Drag and Drop Touch Collision

I’ve been making an environmental game for our research project, and i have a problem in my drag and drop concept of segregation of garbage in bio and non biodegradable . Can you help me please ?
Thankyou very much this will be a big help . :slight_smile:

This post explains everything you need to know about collision while dragging an Object so take a look and if you have any other question be more specific. http://qr.ae/RPAWq4