<DesktopDatePicker 
    value={dateOfBirth} 
    disableFuture 
    onChange={(e:any, newVal:any)=> handleDate(e, newVal)}
    renderInput={(params:any) =>
        <TextField {...params} error={false} />}
    />
 
HandleChange Function
    const handleDate = (e: any, newVal: any) => {
      console.log('formatted date', moment(e?._d).format());
      const formattedDate = moment(e?._d).format();
      setDateOfBirth(formattedDate);
    };
 
State variable and datatype
    const [dateOfBirth, setDateOfBirth] = useState<string>(null);
 
Repopulating value
    setDateOfBirth(selectedBeneficiary?.dateOfBirth?.slice(0, 10));