بسم الله الرحمن الرحيم
(Fatwa: 1047/812/D=9/1434)
You will have to pay zakah though you pay income tax. Zakah is ordained by Allah and it is meant for the benefit of the poor and needy ones. Every Muslim who owns nisab must pay zakah.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband
