hi Balaji,
while creating HEX file what was the clock frequency and what is the clock frequency you set in µc. As default in proteus it is 12Mhz. while creating HEX file set xtal as 11.0592Mhz and the µc you used in proteus, double click to see the properties and set clock frequency as 11.0592 Mhz.
and set virtual terminal as Echo typed character.