NSE uses TCP/IP protocol based Wide Area Network facilitating higher bandwidth of 2Mbps, expansion and scalability.

In order to provide equal access to all the Trading Members spread over a wide geographical area, the Exchange offers two forms of telecommunication connectivity viz.

• VSAT (Very Small Aperture Terminal)– Satellite-based Connectivity
• Leased Line-Terrestrial-based Connectivity

Trading Members are required to choose a scenario from the categories mentioned below in order to apply for connectivity.

Key Particulars of Category A, B, C and T type of connectivity

Particulars	Category A	Category B	Category C	Category T
Bandwidth	2 Mbps	2 Mbps	2 Mbps	2 Mbps
Interactive messages per second	40	100	200	NIL
Market Data Broadcast	Yes	No	No	Yes
No. of User IDs	20 User IDs can be in any combination for CM and F&O segment and additional 10 User IDs can be availed only for the CD segment	50 User IDs can be in any combination for CM and F&O segment and additional 10 User IDs can be availed only for the CD segment	100 User IDs including all the segments	NIL
No. of Scenarios	5	2	2	2
Types of Scenario's	A1- Single VSAT A2-Single Leased Line A3-Single Leased Line with VSAT as a Back-up A4- Dual Leased Lines to one or two POP's . A5- Dual Leased Lines and VSAT as a back-up	B1-Single Leased Line B2-Dual Leased Lines to one or two POP’s	C1-Single Leased Line C2-Dual Leased Lines to one or two POP’s	T1- Single Leased Line T2-Dual Leased Lines to one or two POP’s

Formats

Download Application for New Scenario (.doc)

Download Application for Shifting of Scenario (.doc)

Download Application for Cancellation of Non-Commissioned Scenario (.doc)

Download Application for Surrender of Scenario (.doc)

Download Format of VSAT Undertaking (.doc)

Download Application for Change in Scenario (.doc)

Download Application for Shifting of IDU of VSAT (.doc)

Download Application for Shifting of ODU of VSAT (.doc)

Download Deposits & Costing (.doc)

Co-location facility at the Exchange

In view of Member representation and to keep pace with global trends, Exchange has issued Circular No.693, Download Reference No. NSE/MEMB/12985 dated August 31, 2009 informing all the Trading Members about the introduction of co-location services, to facilitate better use of DMA and ALGO trading.

Download Ref. No. NSE/MEM/12985 (zip)

Payment Structure

Co-location is a paid facility. The details of charges are as per Annexure-1.

Download List of charges for services offered for co location- Annexure-1 (.doc)

Application Form

In order to avail the co-location facility, Members are required to submit an application to the Membership Department as per Annexure-2.

Download Application form- Annexure-2 (.doc)

The Application form should be accompanied with requisite payment (inclusive of service tax) which has to be made by way of cheque/demand draft drawn in favour of National Stock Exchange of India Ltd. payable in Mumbai.

For any technical query/clarification, kindly contact Mr. Mahesh Soparkar on 022-26598136 or email on  msoparkar@nse.co.in.

Relevant Circulars

Download Reference Number	Date	Subject
NSE/MEMB/14914	03-Jun-2010	Waiver of Early Surrender Charges (ESC) in respect of shifting of media of connectivity within the same Telecom Network of the Exchange
NSE/MEMB/14913	03-Jun-2010	Revision in charges for Co-location services offered by the Exchange at its premises
NSE/MEMB/14890	31-May-2010	Revision in connectivity charges for POPs at Rajkot, Jaipur and Cochin
NSE/MEMB/14222	04-Mar-2010	Co-location services at NSEIL premises
NSE/MEMB/14134	18-Feb-2010	POP at Cochin & Jaipur
NSE/MEMB/13599	3-Dec-2009	IP Connectivity for Category T (Tick by Tick)
NSE/MEMB/13539	25-Nov-2009	IP Connectivity for Category C (200 Messages/per second)
NSE/MEMB/13025	7-Sep-2009	POP at Rajkot
NSE/MEMB/12985	31-Aug-2009	Co location services at NSEIL premises
NSE/MEMB/11832	31-Dec-2008	Business Continuity Planning(BCP)/Disaster Recovery (DR)
NSE/MEMB/11821	30-Dec-2008	Sun Outage - Continuation of Trading
NSE/MEMB/11052	29-Jul-2008	Increase in number of User Ids in TCP/IP
NSE/MEMB/11042	25-Jul-2008	Application forms for connectivity on TCP/IP Technology
NSE/MEMB/10884	25-Jun-2008	Application form for VSAT migration from X.25 protocol to TCP/IP protocol
NSE/MEMB/10833	13-Jun-2008	Migration from X.25 protocol to TCP/IP - Including costing
NSE/MEMB/10365	28-Feb-2008	Connectivity at Third Party Data Centre/Service Provider Location

In case of any query or clarification on connectivity, please contact us on +91 22 26598249 or write to us on minward@nse.co.in.