We doesn't pay tax with our choice but government collect it from us forcefully.
We get our reimbursement after deducting tax and the cost of every product in india increased 10 to 100 times just due to lunatic tax structure.
Now a day we are bounded to pay bribe. If you will not pay they will mess-up your work. In Mumbai if you want to buy any property in prime area then builder or agent will tell you directly [Without any fear that] 40% white 60% black. If you want to pay 100% white they will not accept the deal.

In such a scenario we cannot think about avoiding paying tax. because it is not in our hand.