St. John Ambulance is a Non - Religious, Non - Political, Non - Sectarian, Secular Service Organisation covering fifty countries of the world. It is perhaps the oldest service agency of international repute. The growth of St. John Ambulance in West Bengal during the post independence period has been phenomenal. On the 3rd January 1992, Tollygunge centre of St. John Ambulance association was established in Kolkata. "Warrant of Constitution", which will proof that our centre is attach with "St. John Ambulance Association", New Delhi, since the year 1992, dated 3rd January.