I would like to post you my rates at which i can give you the spares for making a fine line follower..!!

chassis ---> Rs 100
IR sensors--->Rs 50 each
wheels      ---->Rs 14 each
Motor driver(L293D 1 Amp) --->Rs 100
Freeduino (Arduino compatable board)-->Rs 550
or
Arduino board --->Rs 1450
castor wheels--->Rs 10 each
DC motors(150 RPM) --->Rs 35 each
connecting wires (Male -Male or Male to Female)--->Rs 3.50 each wire
 courier charges--->based on the location

please contact @ narendranmontfort@gmail.com (or) maqunistatech@gmail.com

Stay tuned..ill post you how to make a Robot in 5 hrs