Hey Dherendra,
You might wanna look at this,
https://docs.mendix.com/addons/ats-addon/ht-one-cab-10-autocomplete/
Or if you want to impliment it through custom logic,
You can refer to this link,
https://forum.mendix.com/link/questions/119063
you can take that idea as a hint and then impliment it accordingly.
Hope it helps!