When Rohan Shetty quit the hectic life as the head of a large shipbroking company in Dubai to seek a quieter life in a picturesque hill station high up in the mountains of Tamil Nadu state in southern India, he had no idea that within a couple of years he would be coordinating a Covid-19 volunteer response team.

From his remote mountain top home near the town of Kodaikanal, the former head of ICON Chartering helps oversee a team of more than 130 volunteers, including doctors and mental-health professionals, all of whom are members of the Old Lawrencians Association, a close-knit group of former pupils of the prestigious Lawrence School in South India.