How we can add layout selection option of display suite or panel during node creation. Any solution available. The layout selection should be at the time of node selection.
It sounds like what you really want is something like the Paragraphs module:
It's a good solution for creating flexible, yet structured, content.
Take a look at this video for a good idea of the promises (and pitfalls) of this approach:
EDIT: It's not a video, but here's a good place to start with Paragraphs for Drupal 7:
And since you are familiar with Display Suite, you might find this to be helpful: