Notice No20180928-18Notice Date28 Sep 2018
SubjectRelease of BOLT TWS ver. 77.10

Trading members of the Exchange are hereby informed that new version of BOLT TWS ver. 77.10 shall be released & made live with effect from Monday, October 01, 2018. This new version shall be COMPULSORY version release for members using BOLT TWS for Trading in Commodity Derivatives and OPTIONAL version release in Equity, Equity Derivatives & Currency Derivatives segments.


Functionalities being introduced as a part of BOLT TWS ver. 77.10

1.       Enhancements with respect to introduction of Commodity Derivatives segment.

2.       Other features


For details on the above-mentioned functionalities, members are requested to refer to Annexure enclosed herewith.


Download BOLT TWS ver. 77.10

All existing users of BOLT TWS 77.00 & below will have to upgrade to BOLT TWS ver. 77.10, by selecting the ver. 77.10 in the TWS Version tab of Auto-Download Interface on start of BOLT TWS. New version of BOLT TWS ver. 77.10 shall be available for download on Friday, September 28th, 2018, from 7:00 pm onwards.


The new version can also be downloaded from the Exchange website. Steps to download BOLT TWS version from website are given below –

1)      Browse web-link -   to download the version.

2)      Click on the link – “”

3)      ‘Software Update’ will be downloaded

4)      Unzip the file

5)      Read the document ‘How to use this files.doc’. As per the instructions given in the document, please copy the respective files where BOLT TWS is installed.


As informed via circular no. 20180926-35, 20180926-36, 20180926-37 and 20180926-38 dated September 26th, 2018, Exchange has scheduled mock trading session for Equity, Equity Derivatives, Currency Derivatives and Commodity Derivatives segments on Saturday, September 29th, 2018. All users are requested to upgrade the BOLT TWS version and actively participate in the mock trading session to ensure smooth trading on Monday, October 1st, 2018.


In case of any queries or further clarification, trading members may kindly get in touch with the Helpdesk or IML Tech Support team as follows –


TWS users

TWS Users

TWS Helpdesk– 022-30594000 /

IML users (Third party empaneled vendors & in-house system developers)

IML Tech Support

022-2272 8053/



For and on behalf of BSE Ltd.,



Tejash Somaiya

Omkar Wanage

Dy. General Manager

Senior Manager

Trading Development

Trading Development



September 28, 2018