The correct answer is: d) All of the above.
Tamil Nadu is exploring innovative solutions like metro rail expansion, electric vehicle adoption, and water taxi services.
Metro rail expansion is a major initiative of the Tamil Nadu government to improve public transportation in the state. The Chennai Metro Rail is the first metro rail system in Tamil Nadu, and it has been a huge success. The government is planning to expand the Chennai Metro Rail network, and it is also planning to build metro rail systems in other cities in the state.
Electric vehicle adoption is another major initiative of the Tamil Nadu government. The government is offering subsidies and other incentives to encourage people to buy electric vehicles. The government is also planning to build charging stations for electric vehicles across the state.
Water taxi services are a new initiative of the Tamil Nadu government. The government is planning to launch water taxi services in Chennai and other cities in the state. Water taxi services are a sustainable and efficient way of transportation, and they will help to reduce traffic congestion in the cities.
These are just some of the innovative solutions that the Tamil Nadu government is exploring to improve the quality of life of the people in the state.