The document contains summaries of several news articles: 1. Reliance Power and Reliance Natural Resources fixed a stock swap ratio of 1:4 as part of their merger. 2. Ajit Isaac acquired the Hyderabad-based tech staffing firm Magna Infotech for Rs100 crore as demand for temporary software programmers increases. 3. India and Canada announced the start of negotiations for a comprehensive economic partnership agreement that could increase trade between the two countries three-fold in the next five years.