Need help on calculating income

Dear Sir,

Last year i mean in year April 2011 to March 2012, i was totally unemplyoed and did not have salaried income and i done tow or three part time and from where i get some of money with TDS deductions. I do have car loan with one of my two accounts. To deposit that EMI which was clearing through ECS, i usually deposit cash to my bank account. Sometimes i also get cash from someone else. Now i am going to file my ITR but do not know which income should be calculated and which shoud not? do all transactions comes under income? my total transaction are around 2.30 lakh.

Thanks and Regards,

Sharad