

The 150th International Convention of the Theosophical Society will be held from December 31, 2025, to January 4, 2026, at its international headquarters in Chennai.
Around 700 delegates from India and several other countries are expected to take part in the event at the Society’s campus in Adyar.
The convention will begin on December 31 with a morning session at the Adyar Theatre. This will include greetings from across the world, and an inaugural address by the Society's International President Tim Boyd.
The five-day convention will see a series of public lectures addressing contemporary global issues.
Prominent speakers from science, leadership, spirituality, philosophy, and environmental studies will address the audience each evening at 5 pm, followed by cultural programmes at 7.45 pm.
All public events are open to the public and will take place at the Adyar Theatre on the Theosophical Society campus, opposite MGM Healthcare (Malar) Hospital.
The Theosophical Society is a global spiritual organisation with members from more than 60 countries, representing diverse religions, races, and backgrounds. Founded in New York in 1875, it established its world headquarters in Adyar, Chennai, in 1882.