New Delhi, Dec. 3 -- Come 16 December, 2019 and you will need not more than three days to port out your mobile number without any hassle from your service provider to its rival. That's when The Telecom Regulatory Authority of India mandated rules will come into effect. Mobile users, wishing to port out, have so far been at the mercy of their service provider who often hid behind flimsy grounds to prevent them from shifting out.

As per the existing rules, a company had to port out a customer in 15 days from the time the request to do so was generated. But it often took the mobile users more than a week to manage their port out. The company would generally cite excuses like non receipt of the port-out request or non-payment of some dues to...