Which challan to be filled for income tax return ?

Hi,

I was working in Company ABC from April-Novemeber 2011.

I have recieved form 16 in which company have calculated tax after the deduction of 1,80,000 . so the

then I started working in Company XYZ from Dec-2011 to March-2012.

There too  have recieved form 16 in which company have calculated tax after the deduction of 1,80,000 .

So i have to file the return and i have the tax liabilty as i have taken the deduction of 1,80,000 twice.

Can you please tell me which challan i need to fill and with which option as it has many options :

SELF ASSESSMENT TAX,TAX ON REGULAR ASSESSMENT etc ?

regards

Sumant