Research shows that wearing your mask, and opening the front passenger window, and the window behind the driver seat helps to reduce the spread of the novel coronavirus in your vehicle. See this NY Times article.
Myself Vishnu a software proffessional working in Bangalore.... Because I got Work from Home, Iam planning to travel from Banglore to Trivandrum in my own Ford Ecosport in any of the coming days. Those who are looking to travel the same can discuss. Travelling date and time can be discussed as Iam feasible for any schedule.