SIR., MY ONLY INCOME IS ON COMMERCIAL PROPERTY RENT RECEIVED EVERY MONTH.1. KINDLY EXPLAIN HOW TO CALCULATE SERVICE TAX. 2.WHO HAS TO PAY, I.E THE OWENER OF THE BUILDING/PROPERTY ,OR THE TENANT. 3. WHOM TO PAY 4. PAYMENT YEARLY OR MONTHLY. KINDLY EXPALIN IN DETAIL. THANKING YOU. SAS PRASAD [sasprasad@rediffmail.com]