The amountInWords function is a JavaScript function that converts a given numerical amount into words representing the amount in Indian currency format (rupees and paise).

## Installation

You can install `inr-amount-in-words` via npm. Simply run:

```bash
npm install inr-amount-in-words

Then, you can use it in your project as follows:

import { amountInWords } from "inr-amount-in-words";

const amount = 1533.25;
console.log(amountInWords(amount)); // Output: "one thousand five hundred thirty three rupees and twenty five paise"

• amount: The numerical amount to be converted into words.

• If the provided amount is not a number or is NaN, the function returns "Invalid input".
• If the amount is less than 0 or if the decimal part (paise) is less than 0, the function returns "Amount cannot be negative".
• If both the integer part (rupees) and the decimal part (paise) are 0, the function returns "zero rupees".
• Otherwise, the function returns a string representing the amount in words, following the Indian currency format.