Agra, March 29 -- Samajwadi Party Rajya Sabha member Ramjilal Suman on Friday described the attack on his house in Agra on Wednesday (March 26) as a challenge to PDA, an abbreviation coined by party chief Akhilesh Yadav to refer to Pichda (backward classes), Dalits and Alpsankhyak (minorities). The attack, allegedly by Karni Sena people, came five days after Suman had made a remark in the Rajya Sabha on March 21 about Rana Sanga of Mewar, which was construed as an insult to the medieval ruler....