The correct answer is: A. On 15th November, 2000.
Jharkhand emerged as the 28th state of India on 15th November, 2000. It was carved out of the southern part of the state of Bihar. The state is named after the Jharkhand region, which is a hilly area in eastern India. The majority of the population of Jharkhand is tribal. The state is rich in mineral resources, including coal, iron ore, and bauxite.
Option B is incorrect because Jharkhand emerged as the 28th state of India on 15th November, 2000, not on 14th January, 2000.
Option C is incorrect because Jharkhand emerged as the 28th state of India on 15th November, 2000, not on 15th November, 2002.
Option D is incorrect because Jharkhand emerged as the 28th state of India on 15th November, 2000, not on 14th January, 2002.