New Delhi, Feb. 13 :    New Delhi, Feb. 13:  The board of Alstom Power India today decided to merge three group companies - Alstom Transport Ltd, Alstom Power Systems Ltd and Alstom Power Boilers Ltd - with itself. The board has recommended in principle the amalgamation of the three with Alstom India. Under the swap ratio decided for the merger, 50 equity shares of Alstom Power India would be allotted for 85 equity shares (of Rs 10 each) held in Alstom Transport. The ratio will stand at 78 Alstom Power shares for every 85 Alstom Systems shares, while 85 shares of Alstom Power Boilers will be swapped with 2.2 shares of Alstom India.