New Indian Express
Many forts were visible to each other, so they could communicate by using fire signals. The forts selected by the Ministry of Culture for the UNESCO World Heritage list include Salher, Shivaneri, Lohgadh, Khanderi, Raigadh, Pratapgadh, Rajgadh, Suvarnadurg, Panhaladurg, Vijaydurg, Sindhudurg, all of which are in Maharashtra, and Gingee in Tamilnadu. Sindhudurg was a marine fort in Konkan, commissioned by …
)