Ayyappan took charge as the Managing Director of HLL in 2002-2003 and was promoted to its CMD in 2005, a company release said here.
Under his stewardship in 2010, the company realised its revenue target of Rs 1,000 crore, it said.
"It has been a gratifying experience," Ayyappan, who holds a Bachelor's degree in Engineering, besides an MBA, it said.
Hailing from Thiruvanathapuram, he has a degree in Mechanical Engineering from Kerala University and an MBA in Marketing from CUSAT.
