Why does your cell phone network fail inside Delhi Metro? Here`s what TRAI probe found
The TRAI conducted an extensive drive test across the Delhi-NCR metro network and the Delhi-Meerut RRTS corridor and covered nearly 490 kilometres.
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The TRAI conducted an extensive drive test across the Delhi-NCR metro network and the Delhi-Meerut RRTS corridor and covered nearly 490 kilometres.
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