Section 108(2)(d) in Government of India Act, 1935
(d)affects the procedure for criminal proceedings in which European British subjects are. concerned; and unless the Governor of the Province in his discretion thinks fit to give his previous sanction, there shall not be introduced or moved any Bill or amendment which-(i)repeals, amends or is repugnant to any Governor's Act, or any ordinance promulgated in his discretion by the Governor; or(ii)repeals, amends or affects any Act relating to any police force.