Insert commas suitably and write the names according to Indian system of numeration:
(a) $87595762 $
(b) $8546283 $
(c) $99900046 $
(d) $98432701$

Hint: The Indian numeral system includes numerals, which are symbols that are used to represent numbers. Based on the nomenclature used for different place values, this system can be distinguished from other numeral systems. We count in ones, tens, hundreds, thousands, ten thousands, lakhs, ten lakhs, and crores when we use the Indian numeral system.

Complete step-by-step answer:
We must follow the rules to write the given number in the Indian system of numeration. To write a number in the Indian system of numeration, the following rules are followed:
Starting on the left, we assign the commas.
The first comma is placed after the hundreds placed in the Indian system of numeration, and then commas are inserted after every two digits. As an example:
3 zeros represent a thousand
5 zeros represent lakh
7 zeros represent crore

Ones, Tens, Hundreds, Thousands, Ten Thousand, Lakhs, Ten Lakhs, Crores, and so on are the place values in the Indian system of numeration.

(a) $87595762$
$8, 75, 95, 762$ are all numbers that can be used to make a number of
Eight crore seventy-five lakh ninety-five thousand seven hundred and sixty-two rupees in word format

(b) $8546283$
$85, 46, 283$ are the numbers in numerical order.
Eighty-five lakh forty-six thousand two hundred and eighty-three in word format.

(c) $99900046$
$9, 99, 00, 046$ in numerical format
In Word format: Nine crores ninety-nine lakh and forty-six rupees

(d) $98432701$
$9, 84, 32, 701$ in numerical format
Nine crore eighty-four lakh thirty-two thousand seven hundred and one rupees in word format

Note: The placement of separators (commas) and the nomenclature of different place values are the main differences between the Indian and international numeration systems. The International Numerical System is widely used around the world.