Hi Amitesh,

Thank you for your feedback. I made this thread a publicly visible issue report - https://feedback.telerik.com/kendo-jquery-ui/1496648-grid-search-box-style-broken

As a small token of gratitude for this report, I updated your Telerik points.

The following CSS may be used as temporary workaround:

    <style>
      html body .k-textbox.k-grid-search > .k-input {
        border-style: none;
      }
    </style>

Regards,
Dimitar
Progress Telerik