JavaScriptExecutor- update data to the tag name

You can send text to a textbox only.

As i can see in the html code highlighted above, you are trying to send text to a non textbox  element. i.e. td tag

its a text box only. however the DOM looks like that. So if you update the value of td, the text will automatically entered in the textbox in GUI. Unforturnetely i cant share the screenshot as it is in Client machine. we cannot handle this via normal selenium methods. But we can handle this via javascript, unfortunately i dont possess rich knowledge on JS.

Also, if the td contains any attribute like id or class, it would have been easy to update the text. Since the td tag doesnt contain any attribute and we dont have any other option to pass the text other than using tagname. Could anyone please assisst me on this.

You need to use send keys with input tag element only. Look for the element with input tag only.

there is no input tag exist in the DOM. it is td tag and am able to take xpath of it. if i trigger sendKeys agaisnt this, it is not entering text

The sendKeys() work only with the <input> tag. You need to carefully look for the input element. It may be hidden inside the DOM structure.