Thank You Mr. Hamsmex for the responce.
Being a newbee to this site I can't see direct image upload.
However here is the link.
For the first link (nw.jpg)I want the Edges to be Smooth as shown in the second link (example.jpg).
https://www.dropbox.com/s/y2gg8jzivwq55ji/nw.jpg
https://www.dropbox.com/s/bh5ckoud5e85lz2/Example.jpg
https://www.dropbox.com/s/vxwa12ttobv5qlw/Mumtywall.jpg

In the 3rd link, I wanted to bend the groove in the wall, to curve out on the top.

Thank you ,
Jawaid