Please refer the image of Zinc Sept 21 Futures on hourly chart on Fyers:
 

 

Now, refer the image of same futures on Zerodha:

 

Can you notice the difference in candles? Can you see the difference in RSI? Can you see the difference in Moving Averages?

(By the way, Zerodha's data is correct. I have checked the same with Tradingview.)

Now, please show me a way that I can use to make decisions based on erroneous data present on your platform.

This is seriously too much. I have reported numerous instances of wrong or incomplete data in stock charts earlier too. But now things are going to next level.

I have raised support tickets also for the same. But they are closed without any resolution. 

 @Tejas Khoday @FYERS