The fire has been burning in India for quite some time. To quote the article:

Incidents of industrial violence are common in India, where workers often target executives in cases of wage disputes and job losses.

Here's a similar example from 2009:

Pricol official beaten to death by employees in Coimbatore

and some more

Dismissed workers kill Allied Nippon official in India
Posted by Jayashankar Menon 4 mnths ago

A top executive at an Indian-Japanese auto component firm, Allied Nippon was beaten to death in a Delhi suburb, allegedly by a mob of sacked workers, local media quoted police as saying, says the Earth Times report... [....]

Last year, an executive at an Indian automotive company was killed in the southern state of Tamil Nadu by angry workers. In 2008, the Indian head of an Italian auto-parts firm had also been beaten to death in a New Delhi suburb by sacked employees. But Indian ministers have insisted that such incidents are 'aberrations'  and would not be allowed to mar India's position as an investment-friendly destination, the report adds.