Service tax under rule 2c

Hello everyone

pls solve my query as soon as possible

i am doing statutory audit of delhi golf club ltd..it has two restaurants in its extablishment..it has ac in every part of establishment except one restaurant..and for that restaurants its preparing bill on the name of delhi golf club..both restaurants have separate kitchen.its not charging service tax on non ac restaurants. my point is that when its bill is prepared on the name of delhi golf club ltd and it has ac in other parts of its extablishment then service service tax should be applicable on non ac part also..m i right or not..pls reply soon