I was updating the sdk in android studio, But due to unstable Internet It always gets interrupted and starts from beginning. I downloaded the zip file that was showing in the dialog box. 
Now I want to update the sdk through zip file.[![enter image description here](https://i.stack.imgur.com/No7QZ.png)](https://i.stack.imgur.com/No7QZ.png)

The link is <https://dl.google.com/android/repository/android_m2repository_r30.zip>