New Delhi, Aug. 21 (PTI): N Ravi, Editor of The Hindu, was unanimously elected as the Chairman of the Board of Directors of the Press Trust of India here today. Ravi, a former Washington correspondent of the newspaper and its Editor since 1991, succeeds R Lakshmipathy of Dinamalar. He has served as the PTI Chairman earlier also. Prof E V Chitnis, an eminent physicist, was elected the Vice Chairman...