What happens if trader does not close his position on expiry in MCX future?

I am trading with zerodha & I want to know that what happens if I sell MCX copper & buy MCX crude oil future of current month & forgot to close my position on expiry day…

Hello Trader,

Check it out:

http://tradingqna.com/38080/what-happens-the-trader-does-closes-position-expiry-fututers?

Thanks sir…