Aswath Damodaran - India expensive Market - Questions

Aswath Damodaran cited Indian markets are expensive because of 31X earnings? How did he arrive at 31X, NIFTY PE today stands at 21.43 as of today. (https://nifty-pe-ratio.com/) Can some one please help me understand why Aswath is saying 31X? [https://www.livemint.com/market/stock-market-news/valuation-guru-aswath-damodaran-says-india-most-expensive-market-in-the-world-cant-justify-paying-31x-earnings-11739159976785.html](https://www.livemint.com/market/stock-market-news/valuation-guru-aswath-damodaran-says-india-most-expensive-market-in-the-world-cant-justify-paying-31x-earnings-11739159976785.html)