Notice No20180829-17Notice Date29 Aug 2018
SubjectRelease of BOLT TWS ver. 77.00


Trading members of the Exchange are hereby informed that new version of BOLT TWS ver. 77.00shall be released & made live with effect from Monday, September 3, 2018.This new version shall be COMPULSORY version release for Trading in Equity, Equity Derivatives and Currency Derivatives.
Certain technical enhancements have been handled in the new version.
Download BOLT TWS ver. 77.00
All existing users of BOLT TWS 76.30 & below will have to upgrade to BOLT TWS ver. 77.00, by selecting the ver. 77.00 in the TWS Version tab of Auto-Download Interface on start of BOLT TWS. New version of BOLT TWS ver. 77.00 shall be available for download on Friday, August 31st, 2018, from 7:00 pm onwards. Old versions of BOLT TWS shall not be supported from Monday 03rd September 2018 onwards.
The new version can also be downloaded from the Exchange website. Steps to download BOLT TWS version from website are given below –
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. 20180828-6, 20180828-5, 20180828-4 dated August 28th, 2018, Exchange has scheduled mock trading session for Equity, Equity Derivatives & Currency Derivatives segments on Saturday, September 1st, 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, September 3rd, 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
For and on behalf of BSE Ltd.,

Tejash Somaiya
Omkar Wanage
Dy. General Manager
Senior Manager
Trading Development
Trading Development

August 29, 2018