Income Tax Return — non refund and non receipt of acknowledgement

i hve filed my income tax returns for last 3 yrs regularly ie 2005 -06,[protected] .with income tax officer ward circle 4(3) golibar maidan pune but hve not recieved any acknowledgement and and any refunds till date . i m a serving defence officer. and hve been filing my returns timely but the slow response of the income tax dept is not very encouraging .pls look into the matter and help me get my returns at the earliest.