I am new in this form please help me with my question
Hello @neerupama! 
Haha. Welcome to BP! 
I think the people here mostly trade forex. 
But, if there are also those who trade commodities here, I hope they see your question! 
Find the documentary “the Pit” which is about trading the floor with OJ futures, it tells you all you need to know about “open outcry”.
The Ever Educational VIPER
Hello @neerupama welcome to Babypips 
also welcome to the trading world. Here you can find all the experts. You may be in the best place to learn the trade. Best of luck. 
Thank you for reply, Glad you reply me