Forms & Formats
Download Form (.zip) (609 KB)
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 Capital Market (CM), Futures and Options (FO), Currency Derivatives (CD) and Commodity derivatives (CO) segment are provided as below:
- The 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 (141 KB) Version 1.0 (88.6 KB) Version 2.0 (99.7 KB) Version 3.0 (99.6 KB) - The file formats along with sample test reports with ISO tags are as below:
|
UDiFF Report Name |
Segment |
Entity Source |
File Format |
Test Files |
|---|---|---|---|---|
|
Trade File |
CM |
Exchange |
Click here (33.6 KB) |
Click here (101 KB) |
|
FO |
||||
|
CD |
||||
|
COM |
||||
|
Bhavcopy File |
CM |
Click here (33.6 KB) |
Click here (88.6 KB) |
|
|
FO |
||||
|
CD |
||||
|
COM |
- In case of any clarifications, Members may raise their queries on the below mail-ids:
|
UDiFF file name |
Segment |
Email address |
|---|---|---|
|
Trade file |
CM, FO, CD, COM |
|
|
Bhavcopy file |
CM,COM |
|
|
FO ,CD |
|
Reference Exchange Circular:-
| Date | Download Reference No. | Subject |
| December 19, 2024 | NSE/MSD/65689 (88.8 KB) | Dissemination of separate UDIFF Trade File for T0 trades for capital market segment |
| May 22, 2024 | NSE/MSD/62142 (538 KB) | Standardization of Exchange to Member Interface files in Unified Distilled File Formats (UDiFF) |
| December 21, 2023 | NSE/MSD/59875 (75 KB) | Availability of Information on Website for Unified Distilled File Formats (UDiFF) |
| December 11, 2023 | NSE/INVG/59701 (471 KB) | Standardization of Exchange to Member Interface files in Unified Distilled File Formats (UDiFF) |
| December 11, 2023 | NSE/MSD/59694 (473 KB) | Standardization of Exchange to Member Interface files in Unified Distilled File Formats (UDiFF) |
Updated on: 07/08/2025
