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Umang Das

Umang Das

Chief Mentor, ATC India

Umang Das

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ATC India's Umang Das recalls the day India's mobile revolution began

India's telecom revolution started with then West Bengal CM Jyoti Basu saying the first 'hello' to then Union communications minister Sukh Ram in a Kolkata hotel

Updated On: 24 Jul 2020 | 6:50 AM IST