@jaya_kannan posting 4 times every day feels a bit obnoxious 
It’s not that we don’t want to help you - for what I see nobody really seems to understand what you’re trying to create (why would you need reflections on a skybox? And why use skybox sphere instead of equirectangular mapping on the scene background? Why is your ground lit up from underneath. 
)
Please prepare a clean, readable codepen that shows what you’re doing (and an explanation what it should be doing) - it will be much easier to help you compared to looking at screenshots and code snippets without context.