The correct answer is (c) Rajasthan.
Neemrana is a town in the Indian state of Rajasthan. It is located in the Alwar district, about 100 kilometers from the state capital, Jaipur. Neemrana is a popular tourist destination, known for its fort, palaces, and temples.
The town is also a model of sustainable economic development. The Neemrana Trust, a non-profit organization, has been working to promote sustainable development in the town since 1992. The Trust has implemented a number of projects, including the development of a solar power plant, the construction of a rainwater harvesting system, and the promotion of organic farming.
The Neemrana Trust’s work has been recognized by the United Nations Environment Programme (UNEP). In 2008, the Trust was awarded the UNEP Sasakawa Environment Prize for its work on sustainable development.
The other options are incorrect. Haryana is a state in northern India. Punjab is a state in northwestern India. Uttar Pradesh is a state in northern India.