Kolkata, Aug. 10 -- The mother of the trainee doctor, who was raped and murdered at the RG Kar Medical College Hospital last year, alleged on Saturday that she and her husband were roughed up by police during a march to the West Bengal secretariat to mark one year of the gruesome crime. The woman said that she sustained an injury on her forehead during the incident. "Police hit me with a baton... My husband was also hit. What have we done? A year ago, my daughter was killed. Today they tried to kill me. Several people have been injured," the victim's mother told reporters, adding that four to five police personnel manhandled her during the scuffle. Police denied these allegations, even as a political row broke out between the opposition Bha...