Moreover , the 50 - ft high 25 - ft wide fine granite and lime mortar walls were almost impossible to breach .
The Mughals could not cross through the deep 10 - ft moat surrounding Bijapur Fort .
The 50 - ft high 25 - ft wide fine granite and lime mortar walls were almost impossible to breach .
The Mughals could not cross through the deep 10 - ft moat surrounding Bijapur Fort .