Railways upgrades 48 trains to 'superfast', increases fares 
Indian Railways has upgraded 48 mail and express trains to "superfast" and raised their designated average speed by 5 to 55 kmph. Passengers will have to pay an extra â¹30 for Sleeper class, â¹45 for Second and Third AC, and â¹75 for First AC for these trains. The Railways is expected to gain an additional â¹70 crore from these levies. 