"Encouraging conversion to Islam, clause 73 states: Every person who shall become a convert to the Mahomedan faith, if he be a reyut [ryot], shall only pay half the usual assessment and shall be exempted from the payment of house tax; and if he is dealer in merchandize, his goods shall pass duty-free.18"
January 1, 1970
https://en.wikiquote.org/wiki/Taxation_in_India