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| Computer-based train operation and information system on Northern Railway with speical reference to Delhi metropolitan area. | 15 |
| May 2025 | June 2025 | |
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| Computer-based train operation and information system on Northern Railway with speical reference to Delhi metropolitan area. | 1 | 13 |
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| Canada | 14 |
| United States | 1 |
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| Ottawa | 14 |
| Menlo Park | 1 |