New Delhi, April 16 -- Polycab India Ltd made a stellar debut on stock markets today. Shares of Polycab India Ltd ended at Rs.653.20, up 21.41% from issue price of Rs.538 a piece. It was listed at 20% premium over issue price. The price band of the wires and cables manufacturer company's initial public offering (IPO) was Rs.533-538 per share. The Rs.1,345 crore public issue was subscribed 51.96 times during its share sale on 5-9 April....