Golconda is a fort. It is situated in hyderabad telangana, India. It was created by kakathiya dynasty for defences.
There are many mysterious things located inside the golconda like there is a subway under the ground which leads to charminar. In the olden days. When ever the war used to take place the people like king and the remaining ministers use to use that subway and protect them selves from the attack.
The people talk that golconda was the place where kohinoor diamond and hope diamonds were used to stored along with other diamonds. It is basically one of the oldest monument in india.
