In the Indian System of Numeration, the number is written as
In the Indian System of Numeration, the first comma comes after the hundredth digit(i.e., after the first three digits from the right), the second comma after the ten thousandth digit(i.e., after five digits from the right), the third comma comes after the ten lakhs digit(i.e., after seven digits from the right), and so on.
Therefore, the correct answer is