The correct answer is D. JIADA.
AIADA stands for Adityapur Industrial Area Development Authority. It is a government body responsible for the development and management of the Adityapur Industrial Area in Jharkhand.
BIADA stands for Bokaro Industrial Area Development Authority. It is a government body responsible for the development and management of the Bokaro Industrial Area in Jharkhand.
RIADA stands for Ranchi Industrial Area Development Authority. It is a government body responsible for the development and management of the Ranchi Industrial Area in Jharkhand.
JIADA is not a major industrial region classified by the Jharkhand Government.