As per recommendations of SEBI’s Market Data Advisory Committee (MDAC), the formats of data files generated and transferred to the market participants for exchanging and clearing information, by all MIIs in all segments, shall be standardized and harmonized such that it will facilitate ease of doing business in the Indian securities market. The new standardised file formats are named as “Unified Distilled File Formats (UDiFF)”.

Details of UDiFF file formats for Exchange Trade and Bhavcopy files applicable for Equity – Cash Market (CM), Futures and Options (FO), Currency Derivatives (CD) and Commodity derivatives (CO) segment are provided as below:

• SEBI guidance document having the UDiFF Standards for Generation and Implementation and the UDiFF catalogue is as below:
  
  

  UDiFF guidance document UDiFF Catalogue Version 1.0 Version 1.0

  
  
• File formats of Trade and Bhav Copy provided below -
  
  

  UDiFF file Name Segment Source Exchange File Format Sample Files Trade file Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives BSE Click Here Click Here Bhavcopy file Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives BSE Click Here Click Here

  
  
• Reference of Exchange Circular provided below -
  
  

  Circular Date Circular No. Subject April 29, 2024 20240429-1 Standardization of Exchange to Member Interface files in Unified Distilled File Formats (UDiFF) – Update March 22, 2024 20240322-52 Standardization of Exchange to Member Interface files in Unified Distilled File Formats (UDiFF) – Update February 08, 2024 20240208-22 Availability of Information on Website for Unified Distilled File Formats (UDiFF) December 11, 2023 20231211-36 Standardization of Exchange to Member Interface files in Unified Distilled File Formats (UDiFF)

  
  
• In case of any queries members may kindly contact on group email ID - iml.info@bseindia.com