Bellum caves in india

                                                          Bellum caves

bellum caves in andhra pradesh is another site with a major tourist attraction.with an approximate length about 3.5km,it is the longest and the largest cave in india.it is made of black limestone and formed by the constant flow of underground water.there are also deposits of quartz.they are well known for the stalactite and stalagmite formations.there are long passages,spacious chembers.,fresh water pools and siphons.the deepest point is 150 feet from the entrance level and is called''pataalaganga'',which means the ''river in the underworld.''

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