The International Siddhashram Shakti Centre is a global spiritual and humanitarian organization founded by His Holiness Shri Rajrajeshwar Guruji. Established in 2000 in London, the Centre has expanded its presence to India and the United States, serving as a beacon of interfaith unity, spiritual growth, and community service.
The Centre also serves as a prominent Hindu temple in London, offering a sacred space for worship, cultural celebrations, and spiritual gatherings for the wider community.