Please advice me how to download karbonn k10 pc suite from net

You can download all the Karbonn Pc suite and drivers from the Karbonn Official Website, (click here). Open the link and download whatever you want.

Or simply click this link to download the Karbonn pc suite (click here)
and here's the usb driver (click here)

All files are zipped as Rar file, you'll need winrar or winzip to extract the contents. Click here to download winrar.

If you need further help, let me know.

Good luck.

Thanks for using FixYa.