New Delhi, Aug 15 Prime Minister Narendra Modi on Saturday said that India saw just 30 per cent electrification of Railways in 90 years and a massive 70 per cent in the last 10 years and has now made its mark in the field of hydrogen-powered trains in the world as well.Addressing the nation from the Red Fort, PM Modi said that you will be surprised to know that the electrification of our railway system began in our country in 1925.“The work of electrification started in 1925, but over the next 90 years, only 30 per cent of the railway…