Mumbai: An elderly couple residing in Mishra House building at road number four in Khar west was attacked and robbed of their belongings by their ex-servant, Satnam Sachdev on Thursday morning. The senior citizens, Hirachand Jain (82) and Parsan Ben Jain (79) were alone at home when Sachdev, who had worked for them for 20-22 days and then quit the job recently, came to their house at 9.45 am. He hit Paras Ben with a mortar and pestle on the head, seriously injuring her. Then he hit Hirachand, gagged him, tied his hands and locked him inside the toilet. Sachdev then stole gold and cash worth Rs 3.82 lakh. The couple was rushed to Bhabha hospital after their grandson came home and discovered them.