What you have there is a pair of Indian Fantail. Most of the time if both hen and cock tail are round and puffy you will have to trim the side of the tail of the cock and hen for the egg to be firtile. Faintail doesn't require too much space. There normally on the ground and could barely fly...
The first pictures of the indian fantail is a cock and the second pictures is a hen. I would suggest that you trim the side of the tail of the cock and hen. That way the egg will be firtile. I would recommend feeding them wheat and milo or pigeon grain if you can find them at your local feed...