Works contract on civil contract

Balasubramani (Senior executive) (90 Points)

18 September 2014  

Dear Sir,

Mr. X  is Land owner,  Mr. Y is Developer,

Both are entered in JV for develop the land.  

Mr Y and Mr. Z  (Purchaser) Entered into works agreement

Mr y and Mr.Z Entered into civil works contract,   Total value of work contract 23 Lakhs, Out of which 8 Lakhs included land,  Mr. Z Not register the works contract, The purchase and developer UDL is registered.

Now i want to go Composite Method,  Developer not manitain any books  How Much I pay the VAT in Tamil Nadu,

Please help to guide meenlightened