| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 4, 2025 | Nov 4, 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 27, 2025 | Oct 27, 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 17, 2025 | Oct 17, 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 14, 2025 | Oct 14, 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | SIFY073_6K | Sep 26, 2025 | Sep 26, 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 24, 2025 | Jul 24, 2025 | 000-27663 |
| EFFECT | Open Document | Open Filing | Jul 23, 2025 | 333-288603 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 18, 2025 | Jul 18, 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 16, 2025 | Jul 16, 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 11, 2025 | Jul 11, 2025 | 000-27663 |
| F-6 | Open Document | Open Filing | Jul 10, 2025 | 333-288603 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 24, 2025 | Jun 24, 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 10, 2025 | Jun 10, 2025 | 000-27663 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | Jun 9, 2025 | Mar 31, 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 22, 2025 | May 22, 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 21, 2025 | Apr 18, 2025 | 000-27663 |
| SCHEDULE 13D/A | Open Document | Open Filing | Apr 7, 2025 | 005-58299 | ||
| UPLOAD | Open Document | Open Filing | Jan 22, 2025 | 000-27663 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 17, 2025 | Jan 17, 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 14, 2025 | Jan 14, 2025 | 000-27663 |
| 20-F/A | Open Document | Data | Open Filing | FORM 20F/A | Jan 13, 2025 | Mar 31, 2024 | 000-27663 |
| CORRESP | Open Document | Open Filing | Jan 8, 2025 | |||
| CORRESP | Open Document | Open Filing | Dec 10, 2024 | |||
| CORRESP | Open Document | Open Filing | Nov 26, 2024 | |||
| CORRESP | Open Document | Open Filing | Nov 12, 2024 | |||
| UPLOAD | Open Document | Open Filing | Oct 29, 2024 | 000-27663 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 22, 2024 | Oct 22, 2024 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 21, 2024 | Oct 21, 2024 | 000-27663 |
| CORRESP | Open Document | Open Filing | Oct 17, 2024 | |||
| UPLOAD | Open Document | Open Filing | Oct 3, 2024 | 000-27663 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 1, 2024 | Oct 1, 2024 | 000-27663 |
| CORRESP | Open Document | Open Filing | Oct 1, 2024 | |||
| UPLOAD | Open Document | Open Filing | Sep 24, 2024 | 000-27663 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 18, 2024 | Sep 18, 2024 | 000-27663 |
| F-6 POS | Open Document | Open Filing | Sep 18, 2024 | 333-278732 | ||
| CORRESP | Open Document | Open Filing | Aug 26, 2024 | |||
| UPLOAD | Open Document | Open Filing | Aug 14, 2024 | 000-27663 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 24, 2024 | Jul 24, 2024 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 19, 2024 | Jul 19, 2024 | 000-27663 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | Jul 2, 2024 | 005-58299 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 28, 2024 | Jun 28, 2024 | 000-27663 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | Jun 11, 2024 | 005-58299 | |
| 25 | Open Document | Open Filing | FORM 25 | Jun 7, 2024 | 000-27663 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 7, 2024 | Jun 7, 2024 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 7, 2024 | Jun 7, 2024 | 000-27663 |
| 424B3 | Open Document | Open Filing | FORM 424B3 | Jun 3, 2024 | 333-278152 | |
| EFFECT | Open Document | Open Filing | May 22, 2024 | 333-278152 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | May 21, 2024 | May 21, 2024 | 000-27663 |
| CORRESP | Open Document | Open Filing | May 21, 2024 | |||
| CORRESP | Open Document | Open Filing | May 10, 2024 | |||
| F-1/A | Open Document | Open Filing | FORM F-1/A | May 10, 2024 | 333-278152 | |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | May 7, 2024 | Mar 31, 2024 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 22, 2024 | Apr 22, 2024 | 000-27663 |
| F-6EF | Open Document | Open Filing | Apr 16, 2024 | 333-278732 | ||
| UPLOAD | Open Document | Open Filing | Apr 4, 2024 | 333-278152 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 22, 2024 | Mar 22, 2024 | 000-27663 |
| F-1 | Open Document | Open Filing | FORM F-1 | Mar 21, 2024 | 333-278152 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 18, 2024 | Jan 18, 2024 | 000-27663 |
| 6-K/A | Open Document | Open Filing | FORM 6-K/A | Jan 17, 2024 | Sep 30, 2023 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 20, 2023 | Nov 20, 2023 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 20, 2023 | Oct 20, 2023 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 21, 2023 | Jul 20, 2023 | 000-27663 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | Jun 28, 2023 | Mar 31, 2023 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 24, 2023 | Apr 24, 2023 | 000-27663 |
| UPLOAD | Open Document | Open Filing | Feb 23, 2023 | |||
| CORRESP | Open Document | Open Filing | Feb 22, 2023 | |||
| 20-F/A | Open Document | Data | Open Filing | FORM 20-FA | Feb 22, 2023 | Mar 31, 2022 | 000-27663 |
| UPLOAD | Open Document | Open Filing | Feb 9, 2023 | |||
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 25, 2023 | Jan 25, 2023 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 17, 2022 | Sep 30, 2022 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 21, 2022 | Oct 21, 2022 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 22, 2022 | Jul 22, 2022 | 000-27663 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | Jun 10, 2022 | Mar 31, 2022 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 18, 2022 | Apr 18, 2022 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 24, 2022 | Jan 24, 2022 | 000-27663 |
| 6-K | Open Document | Open Filing | Nov 26, 2021 | Nov 26, 2021 | 000-27663 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 2, 2021 | Nov 1, 2021 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 29, 2021 | Oct 29, 2021 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 30, 2021 | Jul 30, 2021 | 000-27663 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | Jul 29, 2021 | Mar 31, 2021 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 10, 2021 | May 7, 2021 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 28, 2021 | Jan 28, 2021 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 27, 2020 | Nov 26, 2020 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 23, 2020 | Oct 23, 2020 | 000-27663 |
| 20-F/A | Open Document | Data | Open Filing | FORM 20-F/A | Jul 31, 2020 | Mar 31, 2020 | 000-27663 |
| 20-F | Open Document | Open Filing | FORM 20-F | Jul 29, 2020 | Mar 31, 2020 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 28, 2020 | Jul 28, 2020 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 5, 2020 | May 5, 2020 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 24, 2020 | Jan 24, 2020 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 19, 2019 | Sep 30, 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 18, 2019 | Oct 18, 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 24, 2019 | Jul 24, 2019 | 000-27663 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | Jun 20, 2019 | Mar 31, 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 15, 2019 | May 15, 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 22, 2019 | Apr 22, 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 31, 2019 | Jan 31, 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 23, 2018 | Sep 30, 2018 | 000-27663 |
| 6-K | Open Document | Open Filing | Oct 22, 2018 | Oct 22, 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | Jul 25, 2018 | Jul 25, 2018 | 000-27663 | |
| 20-F | Open Document | Data | Open Filing | Jun 20, 2018 | Mar 31, 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | Jun 12, 2018 | Jun 12, 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | May 10, 2018 | May 10, 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | Apr 24, 2018 | Apr 24, 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | Jan 22, 2018 | Jan 22, 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | Nov 13, 2017 | Sep 30, 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | Oct 24, 2017 | Oct 24, 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | Oct 5, 2017 | Oct 5, 2017 | 000-27663 | |
| 6-K | Open Document | Data | Open Filing | Jul 24, 2017 | Jul 24, 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | Jul 14, 2017 | Jul 14, 2017 | 000-27663 | |
| 20-F | Open Document | Open Filing | Jun 16, 2017 | Mar 31, 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | May 24, 2017 | May 24, 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | Apr 25, 2017 | Apr 25, 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | Jan 25, 2017 | Jan 25, 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | Dec 30, 2016 | Dec 30, 2016 | 000-27663 | |
| 6-K | Open Document | Open Filing | Nov 4, 2016 | Sep 30, 2016 | 000-27663 | |
| 6-K | Open Document | Open Filing | Oct 19, 2016 | Oct 19, 2016 | 000-27663 | |
| 6-K | Open Document | Open Filing | Jul 20, 2016 | Jul 20, 2016 | 000-27663 | |
| 20-F | Open Document | Open Filing | Jun 22, 2016 | Mar 31, 2016 | 000-27663 | |
| 6-K | Open Document | Data | Open Filing | Apr 22, 2016 | Apr 22, 2016 | 000-27663 | |
| 6-K | Open Document | Open Filing | Jan 21, 2016 | Jan 21, 2016 | 000-27663 | |
| S-8 | Open Document | Open Filing | Dec 21, 2015 | 333-208648 | ||
| 6-K | Open Document | Open Filing | Nov 9, 2015 | Sep 30, 2015 | 000-27663 | |
| 6-K | Open Document | Open Filing | Oct 20, 2015 | Oct 20, 2015 | 000-27663 | |
| 6-K | Open Document | Open Filing | Jul 27, 2015 | Jul 27, 2015 | 000-27663 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 22, 2015 | Jul 22, 2015 | 000-27663 |
| 20-F | Open Document | Open Filing | Jun 19, 2015 | Mar 31, 2015 | 000-27663 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 19, 2015 | Jun 19, 2015 | 000-27663 |
| 6-K | Open Document | Open Filing | May 20, 2015 | May 20, 2015 | 000-27663 | |
| 6-K | Open Document | Open Filing | 6-K | May 6, 2015 | May 6, 2015 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6K | Apr 23, 2015 | Apr 23, 2015 | 000-27663 |
| UPLOAD | Open Document | Open Filing | Mar 11, 2015 | |||
| CORRESP | Open Document | Open Filing | Feb 23, 2015 | |||
| CORRESP | Open Document | Open Filing | Feb 19, 2015 | |||
| UPLOAD | Open Document | Open Filing | Feb 9, 2015 | |||
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 20, 2015 | Jan 20, 2015 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 23, 2014 | Sep 30, 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | Oct 20, 2014 | Oct 20, 2014 | 000-27663 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 28, 2014 | Jul 1, 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 28, 2014 | Jul 1, 2014 | 000-27663 |
| 20-F | Open Document | Open Filing | 20-F | Jul 21, 2014 | Mar 31, 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | 6-K | Jun 24, 2014 | Jun 30, 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 10, 2014 | Jun 1, 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 22, 2014 | Apr 30, 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 22, 2014 | Dec 31, 2013 | 000-27663 |