being unable to add "Legend" and Labels to the axis

I have a following small prrograme, Atteched here with it.
In this Proggrame two lists named as “List1” and “List2” are genrated.
After that, I have tried to Plot the graphs of List1 and List2 on a same plot with two different verticle axis.

During Ploting I am being unable to add “Legend” and Labels to the axis ..
Please sugggest the method…

Thanks in advance
Abhishek

Closely related to I wish to plot two Lists in a same single graph..

yeps..
but still I am Not able to able to put “Legend” and “Labels” to axis