<P> The Kakatiya capital at Orugallu, established in 1195, was not forgotten while Ganapati expanded his territory . He organised the building of a massive granite wall around the city, complete with ramps designed for ease of access to its ramparts from within . A moat and numerous bastions were also constructed . </P> <P> Ganapati was keen to bolster the dynasty's economy . He encouraged merchants to trade abroad, abolishing all taxes except for a fixed duty and supporting those who risked their lives to travel afar . He created the man - made Pakhal Lake . </P> <P> Rudrama Devi, also known as Rudramadevi, reigned around 1262--1289 CE (alternative dates: 1261--1295 CE) and is one of the few queens in Indian history . Sources disagree regarding whether she was the widow of Ganapati or his daughter . </P> <P> Marco Polo, who visited India probably some time around 1289--1293, made note of Rudrama Devi's rule and nature in flattering terms . She continued the planned fortification of the capital, raising the height of Ganapati's wall as well as adding a second earthen curtain wall 1.5 miles (2.4 km) in diameter and with an additional 150 feet (46 m) - wide moat . </P>

Which queen of the kakatiya dynasty ruled over warangal part of modern andhra pradesh