Cloned out the spots in the sky to the best of my ability.
Added 5 points of contrasts.
Hope this corrects the tiny error made by Himanshu.
Friendly greetings from Mario.
Enhanced and boosted colours by decreasing exposure by 0.68 points, increased contrasts by 34, defined and highlighted by 15 and finally de-noised the whole affair by 16 points.
Hope you do not mind these changes, my very dear friend.
Regards from Mario in Canada.
Enhanced and "boosted" image.[Darkened the darker parts by 7] Adjusted its highlights by 14 points. Sharpened and de-noised.
Please place side by side to compare. Hope you like it.
A quick fix ... ENHANCED by 1.
Effects boosted by 1.
Adjusted sharpness by 41, hight lights by 13, definitions by 12
and then DE-NOISED by 17.
Thats all it took. Greetings from Mario in Canada.