??? ?? ???? ????? ?? ?????? ?? ???? ????? ??? ?? ?? ??? ?? ???? ?? ?? ?? ???? ??? ?? ???? ?? ???? ???? ????? ?? ?????? ??? ?????? ????? ?? ????? ??? ?? ?? ??? ????? ??? ???? ???? ????????? ??? ?? ???? ???? ?? ??? ???? ?? ?????? ???? ???.Constructed within the banks in the Yamuna river, whose waters fed the moats bordering the fort, the octagonal-f