市场消息：印度能源交易所四月份交易量同比增长26%。

Group 1 - The core point of the article is that the trading volume of the Indian Energy Exchange increased by 26% year-on-year in April [1] Group 2 - The increase in trading volume indicates a growing interest and activity in the energy market in India [1] - This growth may reflect broader trends in energy consumption and investment in renewable energy sources within the country [1]