Remember that, if you say that your contract finished here,defifnitely you will be rejected.Aslo, it seems to me that, you have intention not to come back.

1)you should provide bank statement for last 6 months
2)you have to get NOC from your company
3)you to get also salary confirmation letter from your company,but make up to 5000 QR as basic
4)if provide the evidences for what own here & in LK,it will support you highly