Om Prakash Mathur is in the news because he has been appointed as the new Governor of Kerala. This appointment is part of a larger change in governors for several states in India. According to the available information, Arlekar has been appointed as the Governor of Tamil Nadu, while Dr Sudha Yadav will take over as the Governor of Karnataka. The specific reason for Mathur’s appointment as the Governor of Kerala is not mentioned in the provided source. However, this appointment is a notable development in the current political landscape of India. The South First news outlet has reported on this change, highlighting the new governors for the mentioned states.