I don't have specific information about an individual named "Kanthaswamy Balasubramaniam" who would be widely known or recognized in a way that I can provide insights into their personality traits, such as being an introvert or not.
If Kanthaswamy Balasubramaniam is a private individual or someone who gained recognition , I wouldn't have any data on their personality traits, including whether they are an introvert or not.
If this person has become notable or gained recognition , I recommend searching for the latest information from reliable sources to learn more about their personality and traits. Keep in mind that personality traits like introversion can be private aspects of someone's life, and it's essential to respect their privacy and not make assumptions about them without proper information.