Which among the following got an approval from SEBI to launch copper large futures contract?

National Stock Exchange of India (NSE) got regulatory approval from SEBI to launch copper large futures contract. The copper large futures contract will have a trading unit of 25 tonne at par with international commodity markets. It is one of the highest traded contracts and is considered as the global benchmark. With this, NSE aims to provide an onshore hedging platform to large Indian corporates, refiners and various users in the value chain.