how is indian system of numeration is different from international system of numeration??????

** in international system of numeration we have ones, tens, hundreds, thousands and then millions.commas are used after every three digits from the right.In indian system of numeration we use ones,tens,hundreds,thousands and then lakhs and crores.the first comma comes after hundreds place(three digits from the right).the second comma comes two digits later(five digits from the right) the third comma comes after another two digits and so on. **