The correct option is Andhra Pradesh.
Explanation
The formation of Telangana was mandated by the Andhra Pradesh Reorganisation Act, 2014. This Act bifurcated the existing state of Andhra Pradesh into two separate states: Telangana and the residuary state of Andhra Pradesh.
Telangana officially came into existence on June 2, 2014. The Act provided that Hyderabad would serve as the common capital for both states for a period not exceeding ten years. In comparison, Chhattisgarh and Jharkhand were formed in the year 2000 from Madhya Pradesh and Bihar, respectively, while Vidarbha remains a region within the state of Maharashtra.
Key Takeaway: Telangana was carved out of Andhra Pradesh in 2014 under the provisions of the Andhra Pradesh Reorganisation Act.