The correct answer is (c) Sonbhadra.
Sonbhadra is the largest district in Uttar Pradesh, India, with an area of 7,429 square kilometers (2,868 sq mi). It is located in the southeastern part of the state, bordering Jharkhand to the south and east, Chhattisgarh to the southeast, Madhya Pradesh to the south, and Mirzapur district to the west and north. The district is named after the Son River, which flows through it.
Sonbhadra was formed in 1994 by carving out parts of Mirzapur and Chandauli districts. The district is divided into six tehsils: Robertsganj, Duddhi, Obra, Pipraich, Garhwa, and Sonbhadra. The headquarters of the district is at Robertsganj.
Sonbhadra is a predominantly rural district with a population of 1,742,476 (2011 census). The district is home to a number of tribal groups, including the Gonds, the Baiga, and the Korku. The main languages spoken in the district are Hindi, Bhojpuri, and Awadhi.
The economy of Sonbhadra is based on agriculture, forestry, and
6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube