How to load the subcategories for a category?

How to load particular category subcategories in particular page, so i want to load category by id and then i have to get its subcategories.

You can load subcategories for a category using the \Magento\Catalog\Model\Category::getChildrenCategories() method:

A usage example:

See also: How to load a category by it’s id?

Yeah it works for me