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Practice #25,433
Q
दूरसंचार विभाग ने टेलिकॉम कंपनियों को उपभोक्ताओं के कॉल और इंटरनेट इस्तेमाल का रिकॉर्ड कितने वर्ष रखने का आदेश दिया है? [The Department of Telecom has ordered telecom companies to keep records of calls and internet usage of consumers for how many years?]
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