Here it goes Arati.
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Not sure whether it makes sense for you. I thought you wanted to convey "dead of night" but it was't for my taste buds. As I mentioned, I darkened mid tones(the blues) to make it closer to night, capped the blacks (tree) at (10,10,10) (R/G/B) to give a tinge of feeble
light and to set it apart added larger border with complete black (0,0,0). I still am not very happy spot of glows there which I could have probably burnt. If you don't have precisely calibrated display trees (10,10,10) may merge with the large black (0,0,0) frame.
I think it takes lots of creative efforts to bring images of nights close to what human eyes/mind perceive in the darkness. Further, you need to see this re-processed image in slightly grayish backdrop instead of completely white CNP background color (the black frame on white browser background may not go very well - actually it defeats my purpose of large black border). Anyway, you may try making a print with a large black mount.
Added later, on my uncalibrated iPad there is no diff between tree (10,10,10) and frame (0,0,0). So calibrated display is very essential.