The central government has re-issued an ordinance (A) forming an air quality control (B) commission, which worries concern (C) about the procedure of ...
Question
The central government has re-issued an ordinance (A) forming an air quality control (B) commission, which worries concern (C) about the procedure of re-issuing ordinances without getting them ratified (D) by the Parliament.
Identify the part of the sentence which contains an error.