???? ?? ??? ??? ????? ?????? ???? ?? ???? ???? ?? ????????? ??? ???? ??? ????????? ????????, ??????????? ?? ???? ??? ???? ????? ?? ???? ??????? ?? ??? ???? ?? ???? ?? ?????? ?? ????? ???? ?? ???? ???? ???? ??.Considering the fact that Delhi did not contain the sufficient source of purple sandstone, the Crimson Fort was originally fabricated from li