So if your Income is more than 10 Lakh then you have to e file you income tax return and you can not submit income tax return on paper Form.
Before filing of Income Tax return you should check your Tax deducted deposited and collected through Form 26AS. How to check Form 26AS in three ways is available here
Paper Income Tax return Form for Ay 2012-13 Is Available here (ITR-1,ITR-2,ITR-3,ITR-4, ITR4S)
What is ITR-V ? By whom, when ,where to send ? How to print, open ITR-V
If you want to file Through Manual Form then you Must print in coloured printer .Black and white ITR-1 Sahaj Form are not accepted .For sample you may download the form Sahaj as given below.