It is easy to make and it is also a very cheap project.
why you should buy AV cable for your nokia mobile if you make it very cheaper (1$)`~~60 inr.
To make this cord all you need is:
RCA cables (red, white, yellow), old nokia 3.5mm (4 pin ) headset cable, some tape and scissor.
Step 1: Now Make It
Follow the circuit diagram to make it.
Step 2: Some Thing to Remember
the mic of 3.5 mm nokia head set contain video signals.
and other two contain audio signals.
and the wire that is golden in colour are nutral..
"HOPE you Enjoy iT".