Correct Answer: (d) Gujarat, Kerala, Punjab
Solution:The State Energy and Climate Index (SECI) is the first index that aims to track the efforts made by states and UTs in the climate and energy sector. Gujarat, Kerala and Punjab are the top three performers among larger states. Goa has emerged the top- performing state in the 'Smaller States' category, followed by Tripura and Manipur. And lastly, among UTs, Chandigarh, Delhi, and D&D/D&N are performing well.