Can you tell me how to get the same behavior? I need to replicate it to fix it.
any possible ways are there to take a updated cell value from the particular cell in handsontable.
You can use afterChange hook to get the old and a new value. Here is a demo with the afterChange hook in action Handsontable example - JSFiddle - Code Playground
If you type anything else than Y as a starting letter for the value in the D column the first letter will be replaced with Y.