Chhatrapati Shivaji Maharaj, the Peshwas, Mahatma Jotiba Phule, Lokmanya Bal Gangadhar Tilak and many illustrious sons of India chose Pune as their base and took its fame around the world. Pune is regarded as the cultural capital of Mahrashtra. Industrialisation in Maharashtra was incepted in Pune and giants like the Kirloskars and the Garwares established their factories here. Pune is the only city in the world to be surrounded by three military cantonments -- Pune, Khadki and Dehu Road. The National Defence Academy nestles in the Sahyadri range just outside Pune. The National Chemical Laboratory, the Ordnance Factory, the High Explosives Factory or Aayuka, set up by Dr. Jayant Narlikar to research astronomy, all are situated in Pune, which has also been in the forefront in India in the IT sector. The pilgrimage places of Alandi and Dehu attract countless Warkari sect devotees round the year. A huge network of educational, research and social reform institutions have made Pune an international city over the years