| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 6-K | Open Document | Open Filing | FORM 6-K | 04 Nov 2025 | 04 Nov 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 27 Oct 2025 | 27 Oct 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 17 Oct 2025 | 17 Oct 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 14 Oct 2025 | 14 Oct 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | SIFY073_6K | 26 Sep 2025 | 26 Sep 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 24 Jul 2025 | 24 Jul 2025 | 000-27663 |
| EFFECT | Open Document | Open Filing | 23 Jul 2025 | 333-288603 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | 18 Jul 2025 | 18 Jul 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 16 Jul 2025 | 16 Jul 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 11 Jul 2025 | 11 Jul 2025 | 000-27663 |
| F-6 | Open Document | Open Filing | 10 Jul 2025 | 333-288603 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | 24 Jun 2025 | 24 Jun 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 10 Jun 2025 | 10 Jun 2025 | 000-27663 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | 09 Jun 2025 | 31 Mar 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 22 May 2025 | 22 May 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 21 Apr 2025 | 18 Apr 2025 | 000-27663 |
| SCHEDULE 13D/A | Open Document | Open Filing | 07 Apr 2025 | 005-58299 | ||
| UPLOAD | Open Document | Open Filing | 22 Jan 2025 | 000-27663 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | 17 Jan 2025 | 17 Jan 2025 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 14 Jan 2025 | 14 Jan 2025 | 000-27663 |
| 20-F/A | Open Document | Data | Open Filing | FORM 20F/A | 13 Jan 2025 | 31 Mar 2024 | 000-27663 |
| CORRESP | Open Document | Open Filing | 08 Jan 2025 | |||
| CORRESP | Open Document | Open Filing | 10 Dec 2024 | |||
| CORRESP | Open Document | Open Filing | 26 Nov 2024 | |||
| CORRESP | Open Document | Open Filing | 12 Nov 2024 | |||
| UPLOAD | Open Document | Open Filing | 29 Oct 2024 | 000-27663 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | 22 Oct 2024 | 22 Oct 2024 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 21 Oct 2024 | 21 Oct 2024 | 000-27663 |
| CORRESP | Open Document | Open Filing | 17 Oct 2024 | |||
| UPLOAD | Open Document | Open Filing | 03 Oct 2024 | 000-27663 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | 01 Oct 2024 | 01 Oct 2024 | 000-27663 |
| CORRESP | Open Document | Open Filing | 01 Oct 2024 | |||
| UPLOAD | Open Document | Open Filing | 24 Sep 2024 | 000-27663 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | 18 Sep 2024 | 18 Sep 2024 | 000-27663 |
| F-6 POS | Open Document | Open Filing | 18 Sep 2024 | 333-278732 | ||
| CORRESP | Open Document | Open Filing | 26 Aug 2024 | |||
| UPLOAD | Open Document | Open Filing | 14 Aug 2024 | 000-27663 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | 24 Jul 2024 | 24 Jul 2024 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 19 Jul 2024 | 19 Jul 2024 | 000-27663 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 02 Jul 2024 | 005-58299 | |
| 6-K | Open Document | Open Filing | FORM 6-K | 28 Jun 2024 | 28 Jun 2024 | 000-27663 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 11 Jun 2024 | 005-58299 | |
| 25 | Open Document | Open Filing | FORM 25 | 07 Jun 2024 | 000-27663 | |
| 6-K | Open Document | Open Filing | FORM 6-K | 07 Jun 2024 | 07 Jun 2024 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 07 Jun 2024 | 07 Jun 2024 | 000-27663 |
| 424B3 | Open Document | Open Filing | FORM 424B3 | 03 Jun 2024 | 333-278152 | |
| EFFECT | Open Document | Open Filing | 22 May 2024 | 333-278152 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | 21 May 2024 | 21 May 2024 | 000-27663 |
| CORRESP | Open Document | Open Filing | 21 May 2024 | |||
| CORRESP | Open Document | Open Filing | 10 May 2024 | |||
| F-1/A | Open Document | Open Filing | FORM F-1/A | 10 May 2024 | 333-278152 | |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | 07 May 2024 | 31 Mar 2024 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 22 Apr 2024 | 22 Apr 2024 | 000-27663 |
| F-6EF | Open Document | Open Filing | 16 Apr 2024 | 333-278732 | ||
| UPLOAD | Open Document | Open Filing | 04 Apr 2024 | 333-278152 | ||
| 6-K | Open Document | Open Filing | FORM 6-K | 22 Mar 2024 | 22 Mar 2024 | 000-27663 |
| F-1 | Open Document | Open Filing | FORM F-1 | 21 Mar 2024 | 333-278152 | |
| 6-K | Open Document | Open Filing | FORM 6-K | 18 Jan 2024 | 18 Jan 2024 | 000-27663 |
| 6-K/A | Open Document | Open Filing | FORM 6-K/A | 17 Jan 2024 | 30 Sep 2023 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 20 Nov 2023 | 20 Nov 2023 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 20 Oct 2023 | 20 Oct 2023 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 21 Jul 2023 | 20 Jul 2023 | 000-27663 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | 28 Jun 2023 | 31 Mar 2023 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 24 Apr 2023 | 24 Apr 2023 | 000-27663 |
| UPLOAD | Open Document | Open Filing | 23 Feb 2023 | |||
| CORRESP | Open Document | Open Filing | 22 Feb 2023 | |||
| 20-F/A | Open Document | Data | Open Filing | FORM 20-FA | 22 Feb 2023 | 31 Mar 2022 | 000-27663 |
| UPLOAD | Open Document | Open Filing | 09 Feb 2023 | |||
| 6-K | Open Document | Open Filing | FORM 6-K | 25 Jan 2023 | 25 Jan 2023 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 17 Nov 2022 | 30 Sep 2022 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 21 Oct 2022 | 21 Oct 2022 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 22 Jul 2022 | 22 Jul 2022 | 000-27663 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | 10 Jun 2022 | 31 Mar 2022 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 18 Apr 2022 | 18 Apr 2022 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 24 Jan 2022 | 24 Jan 2022 | 000-27663 |
| 6-K | Open Document | Open Filing | 26 Nov 2021 | 26 Nov 2021 | 000-27663 | |
| 6-K | Open Document | Open Filing | FORM 6-K | 02 Nov 2021 | 01 Nov 2021 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 29 Oct 2021 | 29 Oct 2021 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 30 Jul 2021 | 30 Jul 2021 | 000-27663 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | 29 Jul 2021 | 31 Mar 2021 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 10 May 2021 | 07 May 2021 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 28 Jan 2021 | 28 Jan 2021 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 27 Nov 2020 | 26 Nov 2020 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 23 Oct 2020 | 23 Oct 2020 | 000-27663 |
| 20-F/A | Open Document | Data | Open Filing | FORM 20-F/A | 31 Jul 2020 | 31 Mar 2020 | 000-27663 |
| 20-F | Open Document | Open Filing | FORM 20-F | 29 Jul 2020 | 31 Mar 2020 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 28 Jul 2020 | 28 Jul 2020 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 05 May 2020 | 05 May 2020 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 24 Jan 2020 | 24 Jan 2020 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 19 Nov 2019 | 30 Sep 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 18 Oct 2019 | 18 Oct 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 24 Jul 2019 | 24 Jul 2019 | 000-27663 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | 20 Jun 2019 | 31 Mar 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 15 May 2019 | 15 May 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 22 Apr 2019 | 22 Apr 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 31 Jan 2019 | 31 Jan 2019 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 23 Nov 2018 | 30 Sep 2018 | 000-27663 |
| 6-K | Open Document | Open Filing | 22 Oct 2018 | 22 Oct 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | 25 Jul 2018 | 25 Jul 2018 | 000-27663 | |
| 20-F | Open Document | Data | Open Filing | 20 Jun 2018 | 31 Mar 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | 12 Jun 2018 | 12 Jun 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | 10 May 2018 | 10 May 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | 24 Apr 2018 | 24 Apr 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | 22 Jan 2018 | 22 Jan 2018 | 000-27663 | |
| 6-K | Open Document | Open Filing | 13 Nov 2017 | 30 Sep 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | 24 Oct 2017 | 24 Oct 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | 05 Oct 2017 | 05 Oct 2017 | 000-27663 | |
| 6-K | Open Document | Data | Open Filing | 24 Jul 2017 | 24 Jul 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | 14 Jul 2017 | 14 Jul 2017 | 000-27663 | |
| 20-F | Open Document | Open Filing | 16 Jun 2017 | 31 Mar 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | 24 May 2017 | 24 May 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | 25 Apr 2017 | 25 Apr 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | 25 Jan 2017 | 25 Jan 2017 | 000-27663 | |
| 6-K | Open Document | Open Filing | 30 Dec 2016 | 30 Dec 2016 | 000-27663 | |
| 6-K | Open Document | Open Filing | 04 Nov 2016 | 30 Sep 2016 | 000-27663 | |
| 6-K | Open Document | Open Filing | 19 Oct 2016 | 19 Oct 2016 | 000-27663 | |
| 6-K | Open Document | Open Filing | 20 Jul 2016 | 20 Jul 2016 | 000-27663 | |
| 20-F | Open Document | Open Filing | 22 Jun 2016 | 31 Mar 2016 | 000-27663 | |
| 6-K | Open Document | Data | Open Filing | 22 Apr 2016 | 22 Apr 2016 | 000-27663 | |
| 6-K | Open Document | Open Filing | 21 Jan 2016 | 21 Jan 2016 | 000-27663 | |
| S-8 | Open Document | Open Filing | 21 Dec 2015 | 333-208648 | ||
| 6-K | Open Document | Open Filing | 09 Nov 2015 | 30 Sep 2015 | 000-27663 | |
| 6-K | Open Document | Open Filing | 20 Oct 2015 | 20 Oct 2015 | 000-27663 | |
| 6-K | Open Document | Open Filing | 27 Jul 2015 | 27 Jul 2015 | 000-27663 | |
| 6-K | Open Document | Open Filing | FORM 6-K | 22 Jul 2015 | 22 Jul 2015 | 000-27663 |
| 20-F | Open Document | Open Filing | 19 Jun 2015 | 31 Mar 2015 | 000-27663 | |
| 6-K | Open Document | Open Filing | FORM 6-K | 19 Jun 2015 | 19 Jun 2015 | 000-27663 |
| 6-K | Open Document | Open Filing | 20 May 2015 | 20 May 2015 | 000-27663 | |
| 6-K | Open Document | Open Filing | 6-K | 06 May 2015 | 06 May 2015 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6K | 23 Apr 2015 | 23 Apr 2015 | 000-27663 |
| UPLOAD | Open Document | Open Filing | 11 Mar 2015 | |||
| CORRESP | Open Document | Open Filing | 23 Feb 2015 | |||
| CORRESP | Open Document | Open Filing | 19 Feb 2015 | |||
| UPLOAD | Open Document | Open Filing | 09 Feb 2015 | |||
| 6-K | Open Document | Open Filing | FORM 6-K | 20 Jan 2015 | 20 Jan 2015 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 23 Oct 2014 | 30 Sep 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | 20 Oct 2014 | 20 Oct 2014 | 000-27663 | |
| 6-K | Open Document | Open Filing | FORM 6-K | 28 Jul 2014 | 01 Jul 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 28 Jul 2014 | 01 Jul 2014 | 000-27663 |
| 20-F | Open Document | Open Filing | 20-F | 21 Jul 2014 | 31 Mar 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | 6-K | 24 Jun 2014 | 30 Jun 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 10 Jun 2014 | 01 Jun 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 22 Apr 2014 | 30 Apr 2014 | 000-27663 |
| 6-K | Open Document | Open Filing | FORM 6-K | 22 Jan 2014 | 31 Dec 2013 | 000-27663 |