Traffic police personnel led by DSP Krishnamurthy caught the 28-year-old man in the act yesterday morning, police said today.
There were complaints of his using the mobile while driving the bus from Pollachi to Meenakshipuram, a busy 50-km stretch.
Some passengers recently lodged a complaint saying they had a harrowing time when Muruganandam spoke over the mobile while driving, police said.
As a deterrent to other drivers, Muruganandam was asked to regulate the traffic near Gandhi Statue for about eight hours till evening yesterday, police added.
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