Notice No20210408-15Notice Date08 Apr 2021
SubjectMock Trading on Saturday, April 10, 2021 from DR site for Equity segment

The Exchange has scheduled Mock trading session from DR site for Equity segment on Saturday, April 10, 2021. 

Members are also requested to refer to Exchange Notice No 20201201-22 dated 1st December'2020 regarding Testing of software used in or related to Trading and Risk Management. Members may choose to participate either in Mock Trading Session or UAT environment for fulfilling their regulatory requirements in accordance to SEBI circular no. SEBI/HO/MRD1/DSAP/CIR/P/2020/234 dated November 24, 2020

  Trading members using third party trading platforms can also use this opportunity to test their respective trading application during mock trading session for various functionalities (including exceptional market conditions), viz. various types of call auction sessions, risk-reduction mode, trading halt, block deals, etc.


There shall be no new BOLT TWS or IML exe. Release.


Changes in DR Connection Parameters

Trading members shall be required to set the technical connection parameters of the Hyderabad DR site at their end. These parameters are enclosed herewith as Annexure 1.


Trading members connecting to the BOLT Plus trading system using BOLT TWS/IML can change the settings in the configuration setting window. Trading members connecting through ETI shall have to set up the DR connection parameters in their ETI based trading application, as appropriate.


Kindly note that in absence of this setting, trading members will not be able to connect to the trading system. Hence, trading members are requested to configure these settings in their respective trading applications in advance before the mock trading on Saturday, April 10, 2021.


 Connecting to DR Site of other Exchange systems

i.        Trading members can connect to other Exchange web-based systems like RTRMS, ZT, CLASS collateral, Extranet, etc through the weblinks (url) provided in the enclosed Annexure 2 using their existing user id & password.

ii.      To connect the online trade file application, members shall have to change the remote server IP & port settings in the setting.ini file as per the DR connection parameters provided in Annexure 2.



DR Mock Trading Session Timings-






10:15 am

10:45 am

 Morning Block Deal Window

10:45 am

11.00 am




·         Order Entry period

11:00 am

11:08 am^

·         Matching period

11:08 am

11:15 am

Continuous Trading*#

11:15 am

03:30 pm

Special Pre-Open for IPO & Re-listed scrips#



·         Order Entry period

11:00 am

11:45 am^

·         Matching period

11:45 am

12:00 pm

Continuous Trading*#  for SPOS Scrips

12:00 pm

03:30 pm

Periodic Call Auction (4 session of 1 hour)

11:30 am

03:30 pm

 Auction for Settlement Details



·         Offer Entry and Matching period

12:00 pm

12:45 pm

 Afternoon Block Deal Window

12:50 pm

13:05 pm


03:30 pm

03:40 pm

Post- closing

03:40 pm

03:50 pm

Trade Modification


04:00 pm




^ - Random stoppage of order entry session in last 1 minute.



Feedback of Mock Trading Session

To be able to provide our members with a robust & efficient system for trading with better features, feedback from all members is very important. We solicit your active support and participation in this endeavor. We request all members to give their feedback for the mock trading session on the contact numbers/ email id provided below by 4:00 pm.


In case of any queries or clarifications, trading members may kindly get in touch with their respective Relationship Manager or contact either the BSE Helpdesk or the IML Info/ IML Tech Support team teams for any clarification/ queries on this circular –


TWS users and IML users (third party empaneled vendors & in-house system developers)

IML Tech Support


Help Desk

022-3059 4000;     


For and on behalf of BSE Ltd.,


Ketan Jantre

Sandeep Pujari

Sr. GM - Trading Operations

AGM – Trading Operations