₨ 290
https://www.electricaltechnology.org/2014/10/traffic-light-control-electronic-project.html
2 x 555 Timer IC
1 x 8 Pin Base/Socket/Holder
2 x 4017 IC
1 x 16 Pin Base/Socket/Holder
7 x 1N4148 Diode
2 x Diffused Red Leds
2 x Diffused Green Leds
2 x Diffused Yellow Leds
2 x 100k ohms resistor
1 x 100k Variable resistor potentiometer
2 x 22k ohms resistor
2 x 330 ohms resistor
2 x 0.1uf capacitor
2 x 1uf capacitor
2 x 2.2uf capacitor
2 x 10uf capacitor
1 x small veroboard 5 x 7 cm
1 x 9v Battery
1 x 9v Battery Clip
1 x 1m Jumper Wire