Why should we pay income tax pls reply!!

why we pay IT to govt? on purchase every thing we are paying tax to govt  for every thing there is tax for every govt concent dept  the dept enjoying  respected fee what we earn is  our own assest... ok agree.... it should be distributed to govt employess as we knw many of govt empls taking bribes even govt also know whats use? our political leadres only enjoying our money  In india every one know this fact but what is use? So sad for this our past independace leadres sacrifies their life money,enjoyment..... So wats the use of celebrating our independance day, republic day?  When  we ll see Our India as Ravindranath Tagore's dream? Our Kalam's dream..