can anyone explain the procedure for calculating the VAT and Service Tax under Works Contract Tax. Please consider the value of work contract is Rs.1,00,000/-. My concern is whether the VAT Calculation @ 4% on sum of (100000+ 4.12% of 100000) or VAT @ 4% on 100000 and ST @ 4.12% on 100000. Which one is the correct procedure. please help me