Pankaj Munjal has taken over from O P Munjal, who led the Ludhiana-based company for more than 60 years, Hero Motors Group said in a statement.
O P Munjal has now been elevated to the position of Chairman Emeritus, it added.
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The group comprises cycle major Hero Cycles, auto parts manufacturing companies -- Hero Motors Ltd, ZF Hero Chassis Systems and Munjal Kiriu Industries -- hospitality arm Munjal Hospitality and luxury home decor products company Oma Livings.
Pankaj Munjal had joined the group as a trainee in 1988 and was appointed as its Co-Chairman and Managing Director in December 2011.
Incorporated in 1956, Hero Cycles is the largest cycle manufacturer in the world. The company has a manufacturing capacity of 7.5 million bicycles per year, with its unit in Ludhiana (Punjab), Bihta (Bihar) and Ghaziabad (UP).