Hisar/Yamunanagar, April 15 -- Prime Minister Narendra Modi on Monday flagged off the first commercial flight from the Maharaja Agrasen airport in Hisar to Ayodhya and laid the foundation stone of a new terminal building even as he launched an attack on the Congress on birth anniversary of BR Ambedkar, accusing the party of turning Scheduled Castes, Scheduled Tribes and OBCs into "second-class citizens" while in power....