if you are a salaried person and being prepared for submission of your first income tax return then you must have to submit following documents with your income tax return listed below:

1. Salary Statement With TDS (Tax Deducted At Source) Certificate.
2. Bank Statement of full financial year.
3. Statement on DSOP (Defense Service Officer Provident) Fund (If Available/Applicable For You).
4. Copy Of Challan/PO/Bank Draft/Cheque Against Paid Tax.
5. DPS/FDR Statement (If Available/Applicable For You).
6. Copy Of AIT (Advance Income Tax) Money Receipt.
7. Statement of Income From Foreign Mission. (If Available/Applicable For You)
8. Deed of Sold/Purchase/Rented Property. (If Available/Applicable For You)
9. Fulfil The Return Submission Form.
10. NID
11. Passport Size Photo