IMO it should be between 2001-2003 as per the design as this was the first gen 180cc pulsars. it came with twin tone horns. and an electric start as standard which wasnt the case in 150cc pulsars. one had to pay additional cost for getting the electric start as well as the twin tone horn. if you want the specs here it is
Engine
Type Single cylinder, 4 stroke, air cooled
Bore (mm) X Stroke (mm) 63.5 X 56.4
Displacement (cc) 178.6
Fuelling "Carburettor
(Ucal - Mikuni BS 29)"
Compression ratio 9.5 (+ 0.5) : 1
Max. Power (Ps @ rpm) 14.96 @ 8000
Max. Torque (NM @ rpm) 13.20 @ 6500
Starting Kick + Self
Transmission
Clutch Wet multiplate
No. of gear & pattern 5 (1-down 4-up)
Primary reduction 3.47
Final reduction 2.8
Gear ratio
First 2.77
Second 1.88
Third 1.38
Fourth 1.08
Fifth 0.92
Chassis
Type Double cradle downtube
Suspension
Front Telescopic
Rear Hydraulic shock absorber
Brakes
Front Disc (240 mm)
Rear Drum(130 mm)
Tyre
Front 2.75 X 18"
Rear 100 / 90 X 18"
Fuel tank capacity 18 liter full; 3 liter reserve
Dimensions
Overall Length (mm) 1960
Overall Width (mm) 750
Overall Height (mm) 1065
Wheel base (mm) 1278
Ground Clearance (mm) 155
Kerb weight (kg) 137
Electricals
Battery (Voltage & current) 12v, 9Ah
Head lamp (wattage) 35 /35
Tail / stop lamp 5 / 21
Horn DC, 2 numbers
however having given you this info, i would suggest start a fresh thread instead of hijacking somebody else's thread. please go through the forum rules and regulations as well as. in case you would like to know how to start a thread we all will be glad to assist you. Just a piece of friendly advice don't take it otherwise.