Answer : 4. "उतर प्रदेश "
Explanation :

Let us tell you that recently in UP, Yogi government had banned the sale of products with Halal certificate. His government imposed this ban after the FIR lodged in Hazratganj police station of Lucknow. In which it was feared that funding for anti-national activities is being done through Halal certification. There is a lot of politics going on regarding the matter. In such a situation, after the demand made by Giriraj Singh, politics has started in Bihar regarding this issue.