An excellent yoga teacher, Selvarajan is well recognized for his work as an co-author of the book Sports es Joga along with Elisabeth Haich in the year 1941. The same book was translated into English and distributed all over the English speaking countries. Most prominently, he was the first person to establish the yoga school along with Elisabeth Haich in Budapest in the year 1941. Unfortunately, in the year 1948, he had to close the yoga school immediately after the World War II. This has to happen since communist regime started ruling the region and later fled to Switzerland. After reaching Switzerland, he opened the new yoga school through which he gained ultimate popularity from the public crowd. Subsequently, he was well recognized internationally continuously for over a period of 10 years and even more.
In his career as an author, he has written the plenty of great books which includes Yoga and Health in 1953, Self Reliance through yoga in 1975, Der Tag Mit Yoga in 1958, Yoga Week by Week in 1975, Raja Yoga in 1970, Yoga and Destiny in 1960, and much more. Initially, he travelled from India to Hungary where he decided to establish his first yoga school. Most of his books portray the fact about assisting people with the ways of spiritual unfoldment. Certainly, this book motivates the readers and inbuilt creative energy in the minds of the readers.