Urgent service tax query

manik (ca in practice) (420 Points)

13 December 2011  

i want to know that we have registered under two construction services i.e. construction of industrial and comercial complexes and work contract service . my question is that we had also provided service relating to construction of resedential complexes also during the year and had not intimated the dept. till date by mistake. now when we will be filing our return , will it be a problem? please help its urgent!!!!!!