Leviability of service tax on providing advertising service

Dear sir, we hv small limited membership social & cultural club of one apartment . All members pays yearly subscripttion . The Club is registerd unde society registration act . Now the query is the club bring out Sovenior / Brochure after inviting Advertisements from Company's , business houses on chargeble basis . & with this fund so raised cultural functions are organised . What we do is providing space to advertiser in our brochure which then distributed to members & publis who attends our function . Now is this service are chargeble to service tax . If yes under what clause ? Can it fall uunder Advertisement .