Since August 2012, Padmanabhan was the editor of The Hindu Business Line. He has been working with The Hindu for the last 15 years.
The decision to appoint him as the new editor was taken at Kasturi & Sons Ltd (KSL's) Board meeting today, according to sources in KSL. Board of Directors and management officials were not available for comment immediately.
In January Malini Parthasarathy had resigned as the editor. Suresh Nambath, who was the national editor, was taking charge of the day-to-day affairs of the Paper.
Padmanabhan, an M-Phil in Philosophy studied in Chennai, Delhi and the London School of Economics. He worked briefly as a lecturer in Delhi University before switching to journalism.
As a journalist, he has reported from various countries including Sri Lanka, Britain, Australia, Malaysia, Britain and other countries in Europe.
He worked for Sunday, the weekly magazine in Calcutta and the Indian Express before joining The Hindu, where he wrote editorials and oversaw many of the newspaper's supplements including the Sunday Magazine, Literary Review and Metro Plus.
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He also curates two festivals of theatre and music on behalf of the Hindu group of publications -- the MetroPlus Theatre Fest and the Friday Review November Fest.
R Srinivasan, who was the senior associate editor at The Hindu Business Line, has been appointed as the editor of the business newspaper.
KSL is the publisher of The Hindu and Group newspapers including The Hindu Business Line, Hindu Tamil and magazines including Frontline and Sportstar. The Hindu is an English-language Indian daily newspaper. Headquartered at Chennai, The Hindu was published weekly when it was launched in 1878, and started publishing daily in 1889.