Title - Northern Grid failure disrupts services of 300 trains

New Delhi : Services of about 300 trains, including premier ones like Rajdhani, Shatbadi and Duronto, were severely affected due to collapse of the Northern grid in the early hours today, causing inconvenience to passengers.Rajdhani trains coming from Bhubaneswar, Howrah, Sealdah, Mumbai and Ranchi were delayed by more than four hours due to the power problem, said a senior Northern Railway official.