Can service tax applicable to food sale in trains

Hello Members,

My client is in catering business, and engaged in contract with Railway for selling food in trains

Food item i.e. Breakfast, lunch, dinner veg. meals, non-veg. meals, cold-drinks, tea, coffee, mineral water,  

The client having VAT TIN No. can he liable for service tax????

Please give Answer

Thanking You

Truly Your

Kayam Sayyed