Education services company Everonn Systems debuted today on the National Stock Exchange (NSE) at Rs 245 per share - a premium of 75% over its issue price of Rs 140 per share.The scrip zoomed to a high of Rs 567 in morning deals, and was trading at Rs 534 in early noon deals.Nearly 49 lakh shares have changed hands on the NSE till now.The company had come out with an initial public offering (IPO) of 40 lakh shares in a band of Rs 125-140 per share, and the issue was subscribed 131 times.