I had searched the forum a lot regarding the keyless entry for Toyota Camry 1998. Following are the points that i had figured out.
1) Camry has a Sticker on the Driver Side Door Mirror like the Toyouta VIP Logo in this image :
2) The Car has a unit like one in Image (1) & (3) in the following image : (1) and (3) are the same

.
3) The above UNIT is located behind the Mirror Control Unit on the Left Side of Steering. Some cars might have this unit below the Driver or Passenger Seat, this is what i had figured out by Searching the Internet about it.
4) The car also has the unit as shown in Fig (2) in the above pic , its Located between the ODO Meter Light Dimmer & the Steering.
Now, my questions.
a) How can i tell that this is RS3000/32000 ?
b) Which Toyota KeyLess Entry should I order for "GREY" or "BLACK". ?
c) Does the Remote for it looks like this :
I had done quite a reseach on this topic, these are the final things that are still bugging me.