General Knowledge · Railways Knowledge
सिग्नलिंग प्रणालियों के लिए भारतीय रेलवे में उपयोग किए जाने वाले सेफ्टी इंटीग्रिटी लेवल (SIL) प्रमाणन मानक का उच्चतम स्तर क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1SIL-4✓
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- 3SIL-2
- 4SIL-1
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SIL-4
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