Crelly Slider is not properly setting in cell phone?

I’m having trouble getting my crelly slider and header image to fit properly on a cell phone. Crelly slider images is not appear in center and its right side and left side text and images will erase. The header image appears too big means stretch. Please help immediately. Its urgent for me. Following is my sites:

Hello Soumitra,

I’m not sure that I understand you correctly, but I can see that your Crelly Slider images are cut on lower resolutions. This is normal Crelly Slider behavior, you can check it on Perth Pro demo site:

Please try to contact Crelly Slider support if you need more help regarding this issue.

Kind Regards, Roman.