Sir.
As per the facts stated by you, you will be the service provider and the LTD concern will be the service receiver.
In respect of services provided or agreed to be provided by way of works contract the person receiving the service is liable to pay service tax on 50% of the value, if the service provider is individual, HUF, proprietary firm, partnership firm (registered or not) or association of persons located in the taxable territory. The service provider is liable to pay service tax on balance 50% vide Sr. No. 9 of Notification No. 30/2012-ST dated 20.6.2012.