The NSE is optimistic of its much-awaited IPO at the earliest. Chairman Ashok Chawla, in an interview with ETMarkets.com, revealed as much. For investors, he has a simple piece of advice — rush in only with real understanding. He spoke at the recent ETMarkets Global Summit 2018.Here are the edited excerpts:Can one expect to see NSE IPO in the new financial year?Ashok Chawla: Well, we hope to be doing it as soon as we can. But as you are aware, the old matter which is being investigated is not yet settled. Once that is settled, we are geared up to for the IPO.Will Nifty futures go out of the SGX completely or will there be some proxy to replace it?Ashok Chawla: These are discussions which are taking place between our management and the Singapore authorities. Let us see how it works. Premature to give any final indication at this stage.Recently, the NSE made a bid for stake in an overseas exchange. So, can you tell us some bit about the overseas strategy?Ashok Chawla: Well, as you would know, we have done well in the Indian market. We feel that we are fully competent and equipped to move into other markets and provide the services that we have given to the Indian community. With that objective, the exchange looks at viable propositions elsewhere. Generally, all those come through transparent bidding processes. Wherever we feel it is appropriate, we will take that route and then see how it works for us.The primary market is a buzz again. What would be your one piece advice to investors going by the past experience?Ashok Chawla: Well, the advice is always the same. Good opportunities, but be cautious. Do not rush in without real understanding. Can one expect an early end to the co-location matter? Sebi has returned the consent settlement application.Ashok Chawla: Yes. I said that matter is not yet complete. We hope they do it in the near future. We are giving them all the information they need. We are talking to them and beyond that it is difficult to judge when this will come to an end.