Inter-connected Stock Exchange of India Limited (ISE) is a national-level stock exchange with 723 Trading Members, who are located in 131 cities spread across 25 states. These intermediaries are administratively supported through the regional offices at Delhi, Kolkata, Patna, Ahmedabad, Coimbatore and Nagpur, besides Mumbai. ISE is now planning to launch its own trading platform in some time from now, subject to SEBi approval. Platform testing already done and submitted to SEBI for approval in September 2011.