Member of Parliament, Rayapati Sambasiva Rao, on Wednesday called on the parents of Potharaju Venkata Sarath Kumar, a software professional hailing from Guntur, who has been reportedly missing from Washington D.C in USA since Sunday afternoon. Mr. Rao assured Potharaju Krishnamurthy, retired assistant commercial tax officer, that all efforts would be initiated to find information about the whereabouts of Mr. Sarath Kumar. The MP said that he would get in touch with the Ministry of External Affairs, New Delhi. –Staff Reporter